applied ethics essay topics

Applied Ethics Research Paper Topics

This page provides a comprehensive list of applied ethics research paper topics , offering a valuable resource for students studying ethics. Explore the diverse and thought-provoking subjects within applied ethics, ranging from environmental ethics to medical ethics and beyond. Whether you’re seeking inspiration or guidance for your research paper, this page offers an extensive selection of topics to delve into.

Applied ethics covers a wide spectrum of ethical dilemmas and considerations that shape our world. It provides an opportunity for in-depth examination and critical analysis of real-world issues, making it a fascinating and relevant field of study. By perusing these topics, you can uncover the ethical dimensions of contemporary challenges and engage in meaningful academic exploration.

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From discussions on the ethical implications of emerging technologies to debates about the moral responsibilities in business practices, applied ethics invites you to question, reflect, and develop a deeper understanding of the ethical underpinnings of various aspects of our lives. Whether you are a student looking to embark on a research journey or an instructor seeking to guide your students in ethical investigations, this page serves as a valuable starting point.

Browse through the list of applied ethics research paper topics presented here, and let them spark your curiosity and critical thinking. Explore the ethical landscapes that surround us and find inspiration for your next research paper within the diverse and complex realm of applied ethics.

100 Applied Ethics Research Paper Topics

Exploring applied ethics research paper topics is a journey into the heart of ethical considerations that shape our world. The field of applied ethics offers a diverse array of subjects, each with its unique set of moral dilemmas and challenges. As students of ethics, you have the opportunity to delve deep into these issues, critically examine them, and contribute to the ongoing discourse surrounding ethical decision-making. In this section, we present ten categories, each featuring ten research paper topics, to guide your exploration and inspire your academic pursuits in applied ethics.

Environmental Ethics

• The Ethics of Climate Change Mitigation Policies
• Biodiversity Conservation and Moral Responsibility
• Eco-Centric Ethics and Environmental Preservation
• Ethical Dilemmas in Environmental Impact Assessments
• Sustainable Agriculture and Ethical Consumer Choices
• Environmental Justice: Bridging the Gap
• Corporate Environmental Responsibility and Greenwashing
• The Ethics of Wildlife Management
• Pollution Control and Moral Implications
• Indigenous Knowledge and Environmental Ethics

Medical Ethics

• Autonomy vs. Paternalism in Medical Decision-Making
• The Ethics of Genetic Engineering and Designer Babies
• End-of-Life Care: Euthanasia and Physician-Assisted Suicide
• Organ Transplantation and Allocation Ethics
• Human Cloning: Ethical Boundaries
• Informed Consent and Medical Research
• Medical Data Privacy and Ethical Concerns
• Pharmaceutical Industry Ethics
• Access to Healthcare: A Moral Imperative
• Ethical Dilemmas in Pandemic Response

Business Ethics

• Corporate Social Responsibility and Profit Maximization
• Ethical Leadership in the Business World
• The Ethics of Advertising and Consumer Manipulation
• Whistleblowing: Ethical Dilemmas and Protection
• Gender Equality in the Workplace: Ethical Perspectives
• Ethical Challenges in Supply Chain Management
• Environmental Sustainability in Business Practices
• Ethical Implications of AI in Decision-Making
• Bribery and Corruption: Global Perspectives
• Ethical Considerations in Mergers and Acquisitions
• Cloning and Reproductive Ethics
• The Ethics of Human Genome Editing
• Access to Healthcare and Global Health Inequities
• Stem Cell Research: Ethical Controversies
• Privacy and Genetic Information
• Ethical Issues in Human Enhancement Technologies
• Ethical Dimensions of Neuroenhancement
• Surrogacy: Legal and Ethical Complexities
• Research Ethics in Biomedical Studies
• Ethical Challenges in Organ Trafficking and Transplantation

Technology Ethics

• AI and Ethics: Autonomy vs. Control
• The Ethics of Data Privacy and Surveillance
• Robot Rights: Ethical Considerations
• Bias and Fairness in Machine Learning Algorithms
• Cybersecurity and Ethical Responsibility
• Ethical Implications of Biometric Technologies
• Technology’s Impact on Human Relationships
• The Ethics of Autonomous Vehicles
• Virtual Reality and Ethical Realities
• Ethical Hacking: Balancing Security and Privacy

Political Ethics

• Ethics of Political Campaigning and Propaganda
• Human Rights Violations and International Ethics
• The Morality of Political Lobbying
• Ethics in Political Decision-Making
• Corruption in Politics: Causes and Consequences
• The Ethics of Interventionism in International Relations
• Transparency and Accountability in Government
• Ethical Dimensions of Immigration Policies
• Social Contract Theory and Political Legitimacy
• Environmental Ethics in Political Decision-Making

Social Ethics

• Equality vs. Equity: Ethical Perspectives
• Social Justice Movements and Ethical Activism
• Poverty and Ethical Responsibility
• Ethical Considerations in Education
• Discrimination and Stereotyping: Ethical Implications
• Ethical Dimensions of Social Media Use
• Ethical Challenges in Globalization
• Healthcare Access and Social Ethics
• Ethical Aspects of Criminal Justice Reform
• Aging Population and Ethical Healthcare Allocation

Animal Ethics

• Animal Rights vs. Animal Welfare
• Factory Farming and Ethical Concerns
• Wildlife Conservation and Ethical Dilemmas
• Animal Testing: Ethical Alternatives
• The Ethics of Pet Ownership
• Ethical Considerations in Zoos and Aquariums
• Biotechnology and Animal Ethics
• Ethics of Hunting and Trophy Hunting
• Ethical Implications of Animal Extinction
• The Ethics of Animal Research

Ethical Theories

• Utilitarianism: Applications and Critiques
• Deontology and Its Role in Ethical Decision-Making
• Virtue Ethics and Personal Character
• Feminist Ethics and Gender Relations
• Cultural Relativism vs. Universal Ethical Principles
• Principlism in Bioethics
• Ethical Egoism: Individual vs. Collective Good
• Rights-Based Ethics and Human Rights
• Environmental Ethics Theories: Deep Ecology vs. Shallow Ecology
• Ethics of Care: Relationships and Responsibilities

Ethical Issues in Science

• Scientific Integrity and Research Ethics
• Ethical Implications of Gene Editing Technologies
• Dual Use Dilemmas in Science and Technology
• Ethical Challenges in Animal Research
• Environmental Ethics in Scientific Research
• Data Fabrication and Falsification in Scientific Studies
• Ethical Issues in Human Subject Research
• Scientific Responsibility in Emerging Fields
• Ethical Dimensions of Biomedical Research
• Ethical Considerations in Space Exploration and Colonization

As you peruse this extensive list of applied ethics research paper topics, we hope you find inspiration for your academic endeavors. These topics represent the ethical complexities and dilemmas that permeate various aspects of our society, demanding critical examination and thoughtful reflection. Whether you are interested in the intersection of ethics and technology, the moral considerations in healthcare, or the ethical implications of business practices, there’s a wealth of subjects to explore within applied ethics. Your research in this field can contribute to the ongoing discourse on ethical decision-making and help shape a more ethical future for our world.

The Range of Applied Ethics and Research Paper Topics

In the realm of academic inquiry, few fields offer the richness and relevance of Applied Ethics. This branch of ethics stands as a sentinel, guarding the intersections where moral principles meet real-world dilemmas. For students of ethics, delving into Applied Ethics is akin to embarking on a profound intellectual journey, one that not only sharpens critical thinking but also fosters a profound understanding of the ethical complexities that shape our society. In this article, we delve into the significance of Applied Ethics as a field of study and highlight the vast array of research paper topics it offers, showcasing the depth and breadth of ethical inquiry available.

Significance of Applied Ethics

At the heart of Applied Ethics lies the quest to navigate the intricate web of ethical considerations inherent in our daily lives. It is a field that challenges us to confront moral dilemmas across various domains, encouraging us to grapple with questions like, “What is the right thing to do?” or “What are our moral obligations in this context?” In essence, Applied Ethics transcends abstract ethical theories and immerses us in the tangible and often thorny ethical issues we encounter in our personal, professional, and societal spheres.

One of the primary reasons for the significance of Applied Ethics is its practicality. Unlike some other philosophical disciplines, Applied Ethics is not confined to the ivory tower of academic discourse. Instead, it directly addresses the ethical challenges and moral decisions that individuals, organizations, and societies face daily. Whether it’s assessing the ethics of a medical procedure, evaluating the environmental impact of a business practice, or examining the morality of political decisions, Applied Ethics provides a toolkit for ethical analysis and decision-making in the real world.

Furthermore, Applied Ethics serves as a moral compass for society. It helps us navigate the ever-evolving landscape of technological advancements, global interconnectedness, and ethical dilemmas that accompany these changes. In essence, it empowers us to make informed and ethical choices in an increasingly complex world.

The Broad Range of Research Paper Topics

One of the distinctive features of Applied Ethics is its diversity. Applied Ethics research paper topics span a wide spectrum of domains, making it a field ripe for exploration and scholarly investigation. Below, we highlight just a few areas within Applied Ethics, demonstrating the range of topics available for research and analysis.

Environmental Ethics : Within this subfield, you can delve into topics such as the ethics of climate change mitigation policies, the moral dilemmas of wildlife conservation, or the ethical implications of sustainable agriculture. These topics are of utmost importance in our efforts to address pressing environmental challenges.

Medical Ethics : The ethical dimensions of healthcare are multifaceted. Research paper topics may include the autonomy vs. paternalism debate, ethical considerations in end-of-life care, or the impact of genetic engineering on our moral framework. These topics are at the forefront of contemporary ethical discussions in the medical field.

Business Ethics : Business practices and ethics often intersect. Topics like corporate social responsibility, the ethics of advertising, or the challenges of ethical leadership offer a rich terrain for exploration, shedding light on the moral underpinnings of corporate decisions.

Technology Ethics : In the age of rapid technological advancements, questions about data privacy, artificial intelligence, and the ethics of autonomous vehicles abound. Researching these topics allows students to engage in debates that will shape our technological future.

Political Ethics : Ethical dilemmas in politics, diplomacy, and international relations are perennial concerns. Research topics may encompass issues like human rights violations, transparency in government, or the moral implications of interventionism.

Social Ethics : In examining social issues, you might explore topics related to social justice, discrimination, or ethical challenges in education. These topics delve into the moral fabric of society and offer insights into pressing contemporary issues.

Animal Ethics : The ethical treatment of animals is a matter of growing concern. Research paper topics can cover issues such as animal rights, factory farming, or the ethics of animal testing, contributing to discussions on animal welfare and ethical responsibility.

Ethical Theories : Beyond specific issues, Applied Ethics also delves into ethical theories. Exploring topics related to utilitarianism, deontology, virtue ethics, and others provides a foundational understanding of the philosophical underpinnings of ethical decision-making.

Ethical Issues in Science : Science and technology raise unique ethical questions. Topics like scientific integrity, gene editing, and ethical considerations in space exploration delve into the moral dimensions of scientific progress.

The breadth of Applied Ethics research paper topics is a testament to the field’s vitality and relevance. Students who choose to study Applied Ethics have the opportunity to engage deeply with these topics, contributing to our collective understanding of ethics in action.

In conclusion, Applied Ethics research paper topics are not just academic exercises; they represent the ethical fabric of our society. As you embark on your journey into this field, you’ll discover a wealth of subjects that challenge your intellect, refine your ethical compass, and equip you to make informed and morally sound decisions in the complex world we inhabit. So, dive in, explore, and let Applied Ethics guide your ethical exploration and academic pursuits.

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A Level Philosophy & Religious Studies

Model essay plan for Applied Ethics

AQA Philosophy model essay plan

Note that this is merely one possible way to write an essay on this topic

Points highlighted in light blue are integration points Points highlighted in green are weighting points

I haven’t completely finished this – but it should give you a clear idea about how to approach applied ethics 25 mark questions.

General applied ethics question

General applied ethics questions will focus on one of the applied ethics issues and ask about the morality of it. E.g.:

Is simulated killing wrong? [25] Is it ever morally acceptable to eat animals? [25] Could stealing be morally justified? [25] “Lying is good” – assess this view [25]

Your goal needs to be to pick one or two ethical theories (or meta-ethical if you want a headache). They will have an answer to the question – e.g. Kant will have a view on whether lying is good. You then have to assess the ethical theory in order to assess their answer to the question about the applied ethics issue. E.g. Kant says lying is wrong, but his theory faces issues. If those issues succeed, then Kant’s answer to the question fails. If they do not succeed, then Kant’s answer is the right one that we should conclude is correct.

Virtue ethics

• Virtue ethics is the view that an action is good if it is what a virtuous person would do.
• The goal of human action is eudaimonia which means flourishing or living a good life.
• We achieve this when we act as rational beings, guided by reason.
• Virtues are character traits or dispositions of habit which enable us to achieve our function.

Application of virtue ethics

• Eating animals
• Simulated killing

Criticism of virtue ethics

• The issue of clear guidance
• Aristotle’s flexibility in taking the situation into account comes at the cost of sacrificing the clarity of guidance provided.
• Virtue ethics tells us how to become a good person, but not what to actually do. 
• Aristotle claims that this approach is the best possible, because of how messy and complex moral situations can be.
• However, that argument only works against deontological theories. Utilitarianism takes the situation into account like Virtue ethics does, and yet also provides clearer guidance. Bentham provides a method/algorithm for calculating exactly what action we should do. 
• Aristotle merely says we should do whatever a virtuous person would do. That guidance is less clear.
• Aristotle explains that through our actions we could cultivate virtues like friendliness & courage, but he doesn’t explain how to calculate which action would actually cultivate the virtues. The lack of clear guidance is in the connection between virtue and actions.

Illustration of the issue’s relevance to the applied ethics issues

• Aristotle tells us the best ethics can do is reduce to being a good person, but other ethical theories show that clearer guidance is actually possible while taking the situation into account.

Utilitarianism

• Outline Utilitarianism (Bentham’s Act Util & hedonic calculus) and 
• explain Bentham’s view on the ethical issue
• Criticize Utilitarianism with the issue of calculation.
• Utilitarianism faces its own issues regarding practicality.
• To weigh up how much pleasure/pain an action will produce – surely we need to know the future – which we can’t – nor can we easily measure subjective mental states or do any of this calculation in time-sensitive conditions. 
• Defend Util: Mill’s version of Util – Rule utilitarianism – 
• weighting point that it is stronger than act because it doesn’t rely on calculating every single moral action that we do. 
• Follow the social rule regarding stealing, lying, simulating killing or eating animals which maximises happiness. 
• There should be a rule against stealing and lying. There should be a rule that if you want to simulate killing, you have to be psychologically screened first. The rule about eating animals is that so long as they have a happy life, are killed humanely and don’t contribute to climate change, then it is morally acceptable.

Further evaluation of utilitarianism

• Explain Nozick’s experience machine (more crucial argument than the calculation issue – because it attacks the foundational premise of Util). Bentham (and Mill) claim that happiness/pleasure is our ultimate and sole desire – this is the basis of their argument for concluding that goodness is pleasure/happiness, from which they derive the principle of utility – that an action is good if it maximises happiness – hedonic – Utilitarianism. 
• However – Nozick points out that if this were true – that pleasure is our ultimate desire – then we would all plug into a machine that created fake but purely pleasurable experiences. 
• Nozick claims that many people would not plug into this machine – thus proving Utilitarianism false. 
• This means that the judgement Utilitarianism provided on the applied ethics issue [animals, lying, stealing, simulated killing] is also false.
• [note – although Nozick’s argument has no relevance to the applied ethics issues – it does show utilitarianism is false, and thereby indirectly undermines Utilitarianism’s judgement on the applied ethics issue, which answers the question].

Evaluation:

• Nozick’s criticism only works against hedonistic forms of Utilitarianism. Preference Utilitarianism doesn’t try to claim that happiness or pleasure is the ultimate good. It claims that an action is good if it maximises the satisfaction of preferences of all morally relevant individuals.
• In that case, some people might prefer to enter the machine and others might not prefer to. This is no issue for preference Utilitarianism, since in either case people are satisfying their preferences, either for a fake life of pleasure, or a real life of pleasure and suffering.

Specific applied ethics question

You might be asked to apply a particular theory to a particular issue.

Evaluate the application of theory X (Kant/Util/Virtue/Meta-ethics) to issue Y (Lying/Stealing/S-killing/animals)

Follow this plan:

Paragraph 1:

Explain theory X and its application to issue Y (you need to know this for 5 & 12 mark questions anyway)

Criticise theory X with one of its criticisms from the spec (which you need to know anyway)

Optional: defend theory X from that criticism

Paragraph 2: 

Criticise theory X with one of its criticisms from the spec

Defend theory X from that criticism

Optional: counter that defence of theory X

Paragraph 3: 

Criticise theory X with one of its criticisms from the spec – OR critically compare with a different theory

Evaluate the criticism or the different theory

Good criticisms to choose due to being easy to make relevant to applied ethics issues:

Aristotle – clear guidance – we don’t have precise guidance on when or whether to do [issue Y]

Util – issue of calculation – we can’t calculate the consequences of [issue Y]

Kant – the issue of ignoring consequences – sometimes consequences of [issue Y] could be really good or bad, and Kant seems wrong for ignoring that.

However, remember that it’s not actually required to really link all criticisms to the applied ethics issue. The theories have a view on the applied ethics issue. Bringing in any criticism is then going to be relevant, regardless of whether you could illustrate the relevance of the criticism to the applied ethics issue directly.

If asked about meta ethics (which would be insanely mean!) just consider a bunch of the different theories and evaluate them as you would a normal meta-ethics essay. You need to know the application of meta-ethical theories to applied ethics issues anyway for lower mark questions so honestly a specific meta-ethics application question wouldn’t be nearly as hard as it looks.

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1 Why Do Applied Ethics?

• Published: February 1993
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IT is becoming quite common nowadays to see writers, whether popular or academic, speaking of a happy period which has just dawned, in which philosophers actually try to say something relevant to practical issues. This rather patronizing pat on the back is not really intended as a compliment to our profession. It is intended, rather, as a rebuke to those in the recent past who, allegedly, did not say anything relevant to practice. As one who came into philosophy in the Forties with the dominant motive of doing something to help us resolve practical moral problems, I may perhaps be forgiven for finding this a little irritating. My first published philosophical contribution to a practical issue (that of what the duties of citizens are when their governments are acting immorally) was delivered in the Fifties, first in Germany, then on the BBC Third Programme (H 1955b); and since then I have published many papers on practical topics. I do not think that I am alone in this among moral philosophers. It is true that some of them have confined their attention to ethical theory; but their theoretical contributions, none the less, may have been valuable indirectly in helping those of us who were applying theory to practice to improve the theory. On the other hand, they may not have been valuable, if the theoretical work was poor, as it may have been for reasons I shall be discussing. But what the writers I am complaining about fail to say is that there can be no helpful intervention of philosophers, as philosophers, in practical issues unless the philosophy has been well done. It is not easy to make any useful application of theory to practice unless one has a viable theory, or at least a firm and coherent grasp of the theoretical moves.

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A Framework for Ethical Decision Making

• Markkula Center for Applied Ethics
• Ethics Resources

This document is designed as an introduction to thinking ethically. Read more about what the framework can (and cannot) do .  

We all have an image of our better selves—of how we are when we act ethically or are “at our best.” We probably also have an image of what an ethical community, an ethical business, an ethical government, or an ethical society should be. Ethics really has to do with all these levels—acting ethically as individuals, creating ethical organizations and governments, and making our society as a whole more ethical in the way it treats everyone.

What is Ethics?

Ethics refers to standards and practices that tell us how human beings ought to act in the many situations in which they find themselves—as friends, parents, children, citizens, businesspeople, professionals, and so on. Ethics is also concerned with our character. It requires knowledge, skills, and habits. 

It is helpful to identify what ethics is NOT:

• Ethics is not the same as feelings . Feelings do provide important information for our ethical choices. However, while some people have highly developed habits that make them feel bad when they do something wrong, others feel good even though they are doing something wrong. And, often, our feelings will tell us that it is uncomfortable to do the right thing if it is difficult.
• Ethics is not the same as religion . Many people are not religious but act ethically, and some religious people act unethically. Religious traditions can, however, develop and advocate for high ethical standards, such as the Golden Rule.
• Ethics is not the same thing as following the law. A good system of law does incorporate many ethical standards, but law can deviate from what is ethical. Law can become ethically corrupt—a function of power alone and designed to serve the interests of narrow groups. Law may also have a difficult time designing or enforcing standards in some important areas and may be slow to address new problems.
• Ethics is not the same as following culturally accepted norms . Cultures can include both ethical and unethical customs, expectations, and behaviors. While assessing norms, it is important to recognize how one’s ethical views can be limited by one’s own cultural perspective or background, alongside being culturally sensitive to others.
• Ethics is not science . Social and natural science can provide important data to help us make better and more informed ethical choices. But science alone does not tell us what we ought to do. Some things may be scientifically or technologically possible and yet unethical to develop and deploy.

Six Ethical Lenses

If our ethical decision-making is not solely based on feelings, religion, law, accepted social practice, or science, then on what basis can we decide between right and wrong, good and bad? Many philosophers, ethicists, and theologians have helped us answer this critical question. They have suggested a variety of different lenses that help us perceive ethical dimensions. Here are six of them:

The Rights Lens

Some suggest that the ethical action is the one that best protects and respects the moral rights of those affected. This approach starts from the belief that humans have a dignity based on their human nature per se or on their ability to choose freely what they do with their lives. On the basis of such dignity, they have a right to be treated as ends in themselves and not merely as means to other ends. The list of moral rights—including the rights to make one's own choices about what kind of life to lead, to be told the truth, not to be injured, to a degree of privacy, and so on—is widely debated; some argue that non-humans have rights, too. Rights are also often understood as implying duties—in particular, the duty to respect others' rights and dignity.

( For further elaboration on the rights lens, please see our essay, “Rights.” )

The Justice Lens

Justice is the idea that each person should be given their due, and what people are due is often interpreted as fair or equal treatment. Equal treatment implies that people should be treated as equals   according to some defensible standard such as merit or need, but not necessarily that everyone should be treated in the exact same way in every respect. There are different types of justice that address what people are due in various contexts. These include social justice (structuring the basic institutions of society), distributive justice (distributing benefits and burdens), corrective justice (repairing past injustices), retributive justice (determining how to appropriately punish wrongdoers), and restorative or transformational justice (restoring relationships or transforming social structures as an alternative to criminal punishment).

( For further elaboration on the justice lens, please see our essay, “Justice and Fairness.” )

The Utilitarian Lens

Some ethicists begin by asking, “How will this action impact everyone affected?”—emphasizing the consequences of our actions. Utilitarianism, a results-based approach, says that the ethical action is the one that produces the greatest balance of good over harm for as many stakeholders as possible. It requires an accurate determination of the likelihood of a particular result and its impact. For example, the ethical corporate action, then, is the one that produces the greatest good and does the least harm for all who are affected—customers, employees, shareholders, the community, and the environment. Cost/benefit analysis is another consequentialist approach.

( For further elaboration on the utilitarian lens, please see our essay, “Calculating Consequences.” )

The Common Good Lens

According to the common good approach, life in community is a good in itself and our actions should contribute to that life. This approach suggests that the interlocking relationships of society are the basis of ethical reasoning and that respect and compassion for all others—especially the vulnerable—are requirements of such reasoning. This approach also calls attention to the common conditions that are important to the welfare of everyone—such as clean air and water, a system of laws, effective police and fire departments, health care, a public educational system, or even public recreational areas. Unlike the utilitarian lens, which sums up and aggregates goods for every individual, the common good lens highlights mutual concern for the shared interests of all members of a community.

( For further elaboration on the common good lens, please see our essay, “The Common Good.” )

The Virtue Lens

A very ancient approach to ethics argues that ethical actions ought to be consistent with certain ideal virtues that provide for the full development of our humanity. These virtues are dispositions and habits that enable us to act according to the highest potential of our character and on behalf of values like truth and beauty. Honesty, courage, compassion, generosity, tolerance, love, fidelity, integrity, fairness, self-control, and prudence are all examples of virtues. Virtue ethics asks of any action, “What kind of person will I become if I do this?” or “Is this action consistent with my acting at my best?”

( For further elaboration on the virtue lens, please see our essay, “Ethics and Virtue.” )

The Care Ethics Lens

Care ethics is rooted in relationships and in the need to listen and respond to individuals in their specific circumstances, rather than merely following rules or calculating utility. It privileges the flourishing of embodied individuals in their relationships and values interdependence, not just independence. It relies on empathy to gain a deep appreciation of the interest, feelings, and viewpoints of each stakeholder, employing care, kindness, compassion, generosity, and a concern for others to resolve ethical conflicts. Care ethics holds that options for resolution must account for the relationships, concerns, and feelings of all stakeholders. Focusing on connecting intimate interpersonal duties to societal duties, an ethics of care might counsel, for example, a more holistic approach to public health policy that considers food security, transportation access, fair wages, housing support, and environmental protection alongside physical health.

( For further elaboration on the care ethics lens, please see our essay, “Care Ethics.” )

Using the Lenses

Each of the lenses introduced above helps us determine what standards of behavior and character traits can be considered right and good. There are still problems to be solved, however.

The first problem is that we may not agree on the content of some of these specific lenses. For example, we may not all agree on the same set of human and civil rights. We may not agree on what constitutes the common good. We may not even agree on what is a good and what is a harm.

The second problem is that the different lenses may lead to different answers to the question “What is ethical?” Nonetheless, each one gives us important insights in the process of deciding what is ethical in a particular circumstance.

Making Decisions

Making good ethical decisions requires a trained sensitivity to ethical issues and a practiced method for exploring the ethical aspects of a decision and weighing the considerations that should impact our choice of a course of action. Having a method for ethical decision-making is essential. When practiced regularly, the method becomes so familiar that we work through it automatically without consulting the specific steps.

The more novel and difficult the ethical choice we face, the more we need to rely on discussion and dialogue with others about the dilemma. Only by careful exploration of the problem, aided by the insights and different perspectives of others, can we make good ethical choices in such situations.

The following framework for ethical decision-making is intended to serve as a practical tool for exploring ethical dilemmas and identifying ethical courses of action.

Identify the Ethical Issues

• Could this decision or situation be damaging to someone or to some group, or unevenly beneficial to people? Does this decision involve a choice between a good and bad alternative, or perhaps between two “goods” or between two “bads”?
• Is this issue about more than solely what is legal or what is most efficient? If so, how?

Get the Facts

• What are the relevant facts of the case? What facts are not known? Can I learn more about the situation? Do I know enough to make a decision?
• What individuals and groups have an important stake in the outcome? Are the concerns of some of those individuals or groups more important? Why?
• What are the options for acting? Have all the relevant persons and groups been consulted? Have I identified creative options?

Evaluate Alternative Actions

• Evaluate the options by asking the following questions:
• Which option best respects the rights of all who have a stake? (The Rights Lens)
• Which option treats people fairly, giving them each what they are due? (The Justice Lens)
• Which option will produce the most good and do the least harm for as many stakeholders as possible? (The Utilitarian Lens)
• Which option best serves the community as a whole, not just some members? (The Common Good Lens)
• Which option leads me to act as the sort of person I want to be? (The Virtue Lens)
• Which option appropriately takes into account the relationships, concerns, and feelings of all stakeholders? (The Care Ethics Lens)

Choose an Option for Action and Test It

• After an evaluation using all of these lenses, which option best addresses the situation?
• If I told someone I respect (or a public audience) which option I have chosen, what would they say?
• How can my decision be implemented with the greatest care and attention to the concerns of all stakeholders?

Implement Your Decision and Reflect on the Outcome

• How did my decision turn out, and what have I learned from this specific situation? What (if any) follow-up actions should I take?

This framework for thinking ethically is the product of dialogue and debate at the Markkula Center for Applied Ethics at Santa Clara University. Primary contributors include Manuel Velasquez, Dennis Moberg, Michael J. Meyer, Thomas Shanks, Margaret R. McLean, David DeCosse, Claire André, Kirk O. Hanson, Irina Raicu, and Jonathan Kwan.  It was last revised on November 5, 2021.

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Ethical concerns mount as AI takes bigger decision-making role in more industries

Second in a four-part series that taps the expertise of the Harvard community to examine the promise and potential pitfalls of the rising age of artificial intelligence and machine learning , and how to humanize them .

For decades, artificial intelligence, or AI, was the engine of high-level STEM research. Most consumers became aware of the technology’s power and potential through internet platforms like Google and Facebook, and retailer Amazon. Today, AI is essential across a vast array of industries, including health care, banking, retail, and manufacturing.

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Imagine a world in which AI is in your home, at work, everywhere

But its game-changing promise to do things like improve efficiency, bring down costs, and accelerate research and development has been tempered of late with worries that these complex, opaque systems may do more societal harm than economic good. With virtually no U.S. government oversight, private companies use AI software to make determinations about health and medicine, employment, creditworthiness, and even criminal justice without having to answer for how they’re ensuring that programs aren’t encoded, consciously or unconsciously, with structural biases.

Its growing appeal and utility are undeniable. Worldwide business spending on AI is expected to hit $50 billion this year and $110 billion annually by 2024, even after the global economic slump caused by the COVID-19 pandemic, according to a forecast released in August by technology research firm IDC. Retail and banking industries spent the most this year, at more than $5 billion each. The company expects the media industry and federal and central governments will invest most heavily between 2018 and 2023 and predicts that AI will be “the disrupting influence changing entire industries over the next decade.”

“Virtually every big company now has multiple AI systems and counts the deployment of AI as integral to their strategy,” said Joseph Fuller , professor of management practice at Harvard Business School, who co-leads Managing the Future of Work , a research project that studies, in part, the development and implementation of AI, including machine learning, robotics, sensors, and industrial automation, in business and the work world.

Early on, it was popularly assumed that the future of AI would involve the automation of simple repetitive tasks requiring low-level decision-making. But AI has rapidly grown in sophistication, owing to more powerful computers and the compilation of huge data sets. One branch, machine learning, notable for its ability to sort and analyze massive amounts of data and to learn over time, has transformed countless fields, including education.

Firms now use AI to manage sourcing of materials and products from suppliers and to integrate vast troves of information to aid in strategic decision-making, and because of its capacity to process data so quickly, AI tools are helping to minimize time in the pricey trial-and-error of product development — a critical advance for an industry like pharmaceuticals, where it costs $1 billion to bring a new pill to market, Fuller said.

Health care experts see many possible uses for AI, including with billing and processing necessary paperwork. And medical professionals expect that the biggest, most immediate impact will be in analysis of data, imaging, and diagnosis. Imagine, they say, having the ability to bring all of the medical knowledge available on a disease to any given treatment decision.

In employment, AI software culls and processes resumes and analyzes job interviewees’ voice and facial expressions in hiring and driving the growth of what’s known as “hybrid” jobs. Rather than replacing employees, AI takes on important technical tasks of their work, like routing for package delivery trucks, which potentially frees workers to focus on other responsibilities, making them more productive and therefore more valuable to employers.  

“It’s allowing them to do more stuff better, or to make fewer errors, or to capture their expertise and disseminate it more effectively in the organization,” said Fuller, who has studied the effects and attitudes of workers who have lost or are likeliest to lose their jobs to AI.

“Can smart machines outthink us, or are certain elements of human judgment indispensable in deciding some of the most important things in life?”

— Michael Sandel, political philosopher and Anne T. and Robert M. Bass Professor of Government

Though automation is here to stay, the elimination of entire job categories, like highway toll-takers who were replaced by sensors because of AI’s proliferation, is not likely, according to Fuller.

“What we’re going to see is jobs that require human interaction, empathy, that require applying judgment to what the machine is creating [will] have robustness,” he said.

While big business already has a huge head start, small businesses could also potentially be transformed by AI, says Karen Mills ’75, M.B.A. ’77, who ran the U.S. Small Business Administration from 2009 to 2013. With half the country employed by small businesses before the COVID-19 pandemic, that could have major implications for the national economy over the long haul.

Rather than hamper small businesses, the technology could give their owners detailed new insights into sales trends, cash flow, ordering, and other important financial information in real time so they can better understand how the business is doing and where problem areas might loom without having to hire anyone, become a financial expert, or spend hours laboring over the books every week, Mills said.

One area where AI could “completely change the game” is lending, where access to capital is difficult in part because banks often struggle to get an accurate picture of a small business’s viability and creditworthiness.

“It’s much harder to look inside a business operation and know what’s going on” than it is to assess an individual, she said.

Information opacity makes the lending process laborious and expensive for both would-be borrowers and lenders, and applications are designed to analyze larger companies or those who’ve already borrowed, a built-in disadvantage for certain types of businesses and for historically underserved borrowers, like women and minority business owners, said Mills, a senior fellow at HBS.

But with AI-powered software pulling information from a business’s bank account, taxes, and online bookkeeping records and comparing it with data from thousands of similar businesses, even small community banks will be able to make informed assessments in minutes, without the agony of paperwork and delays, and, like blind auditions for musicians, without fear that any inequity crept into the decision-making.

“All of that goes away,” she said.

A veneer of objectivity

Not everyone sees blue skies on the horizon, however. Many worry whether the coming age of AI will bring new, faster, and frictionless ways to discriminate and divide at scale.

“Part of the appeal of algorithmic decision-making is that it seems to offer an objective way of overcoming human subjectivity, bias, and prejudice,” said political philosopher Michael Sandel , Anne T. and Robert M. Bass Professor of Government. “But we are discovering that many of the algorithms that decide who should get parole, for example, or who should be presented with employment opportunities or housing … replicate and embed the biases that already exist in our society.”

“If we’re not thoughtful and careful, we’re going to end up with redlining again.”

— Karen Mills, senior fellow at the Business School and head of the U.S. Small Business Administration from 2009 to 2013

AI presents three major areas of ethical concern for society: privacy and surveillance, bias and discrimination, and perhaps the deepest, most difficult philosophical question of the era, the role of human judgment, said Sandel, who teaches a course in the moral, social, and political implications of new technologies.

“Debates about privacy safeguards and about how to overcome bias in algorithmic decision-making in sentencing, parole, and employment practices are by now familiar,” said Sandel, referring to conscious and unconscious prejudices of program developers and those built into datasets used to train the software. “But we’ve not yet wrapped our minds around the hardest question: Can smart machines outthink us, or are certain elements of human judgment indispensable in deciding some of the most important things in life?”

Panic over AI suddenly injecting bias into everyday life en masse is overstated, says Fuller. First, the business world and the workplace, rife with human decision-making, have always been riddled with “all sorts” of biases that prevent people from making deals or landing contracts and jobs.

When calibrated carefully and deployed thoughtfully, resume-screening software allows a wider pool of applicants to be considered than could be done otherwise, and should minimize the potential for favoritism that comes with human gatekeepers, Fuller said.

Sandel disagrees. “AI not only replicates human biases, it confers on these biases a kind of scientific credibility. It makes it seem that these predictions and judgments have an objective status,” he said.

In the world of lending, algorithm-driven decisions do have a potential “dark side,” Mills said. As machines learn from data sets they’re fed, chances are “pretty high” they may replicate many of the banking industry’s past failings that resulted in systematic disparate treatment of African Americans and other marginalized consumers.

“If we’re not thoughtful and careful, we’re going to end up with redlining again,” she said.

A highly regulated industry, banks are legally on the hook if the algorithms they use to evaluate loan applications end up inappropriately discriminating against classes of consumers, so those “at the top levels” in the field are “very focused” right now on this issue, said Mills, who closely studies the rapid changes in financial technology, or “fintech.”

“They really don’t want to discriminate. They want to get access to capital to the most creditworthy borrowers,” she said. “That’s good business for them, too.”

Oversight overwhelmed

Given its power and expected ubiquity, some argue that the use of AI should be tightly regulated. But there’s little consensus on how that should be done and who should make the rules.

Thus far, companies that develop or use AI systems largely self-police, relying on existing laws and market forces, like negative reactions from consumers and shareholders or the demands of highly-prized AI technical talent to keep them in line.

“There’s no businessperson on the planet at an enterprise of any size that isn’t concerned about this and trying to reflect on what’s going to be politically, legally, regulatorily, [or] ethically acceptable,” said Fuller.

Firms already consider their own potential liability from misuse before a product launch, but it’s not realistic to expect companies to anticipate and prevent every possible unintended consequence of their product, he said.

Few think the federal government is up to the job, or will ever be.

“The regulatory bodies are not equipped with the expertise in artificial intelligence to engage in [oversight] without some real focus and investment,” said Fuller, noting the rapid rate of technological change means even the most informed legislators can’t keep pace. Requiring every new product using AI to be prescreened for potential social harms is not only impractical, but would create a huge drag on innovation.

“I wouldn’t have a central AI group that has a division that does cars, I would have the car people have a division of people who are really good at AI.”

— Jason Furman, a professor of the practice of economic policy at the Kennedy School and a former top economic adviser to President Barack Obama

Jason Furman , a professor of the practice of economic policy at Harvard Kennedy School, agrees that government regulators need “a much better technical understanding of artificial intelligence to do that job well,” but says they could do it.

Existing bodies like the National Highway Transportation Safety Association, which oversees vehicle safety, for example, could handle potential AI issues in autonomous vehicles rather than a single watchdog agency, he said.

“I wouldn’t have a central AI group that has a division that does cars, I would have the car people have a division of people who are really good at AI,” said Furman, a former top economic adviser to President Barack Obama.

Though keeping AI regulation within industries does leave open the possibility of co-opted enforcement, Furman said industry-specific panels would be far more knowledgeable about the overarching technology of which AI is simply one piece, making for more thorough oversight.

While the European Union already has rigorous data-privacy laws and the European Commission is considering a formal regulatory framework for ethical use of AI, the U.S. government has historically been late when it comes to tech regulation.

“I think we should’ve started three decades ago, but better late than never,” said Furman, who thinks there needs to be a “greater sense of urgency” to make lawmakers act.

Business leaders “can’t have it both ways,” refusing responsibility for AI’s harmful consequences while also fighting government oversight, Sandel maintains.

More like this

The robots are coming, but relax

The good, bad, and scary of the Internet of Things

Paving the way for self-driving cars

“The problem is these big tech companies are neither self-regulating, nor subject to adequate government regulation. I think there needs to be more of both,” he said, later adding: “We can’t assume that market forces by themselves will sort it out. That’s a mistake, as we’ve seen with Facebook and other tech giants.”

Last fall, Sandel taught “ Tech Ethics ,” a popular new Gen Ed course with Doug Melton, co-director of Harvard’s Stem Cell Institute. As in his legendary “Justice” course, students consider and debate the big questions about new technologies, everything from gene editing and robots to privacy and surveillance.

“Companies have to think seriously about the ethical dimensions of what they’re doing and we, as democratic citizens, have to educate ourselves about tech and its social and ethical implications — not only to decide what the regulations should be, but also to decide what role we want big tech and social media to play in our lives,” said Sandel.

Doing that will require a major educational intervention, both at Harvard and in higher education more broadly, he said.

“We have to enable all students to learn enough about tech and about the ethical implications of new technologies so that when they are running companies or when they are acting as democratic citizens, they will be able to ensure that technology serves human purposes rather than undermines a decent civic life.”

Next: The AI revolution in medicine may lift personalized treatment, fill gaps in access to care, and cut red tape. Yet risks abound.

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Aristotle’s Ethics

Aristotle conceives of ethical theory as a field distinct from the theoretical sciences. Its methodology must match its subject matter—good action—and must respect the fact that in this field many generalizations hold only for the most part. We study ethics in order to improve our lives, and therefore its principal concern is the nature of human well-being. Aristotle follows Socrates and Plato in taking the virtues to be central to a well-lived life. Like Plato, he regards the ethical virtues (justice, courage, temperance and so on) as complex rational, emotional and social skills. But he rejects Plato’s idea that to be completely virtuous one must acquire, through a training in the sciences, mathematics, and philosophy, an understanding of what goodness is. What we need, in order to live well, is a proper appreciation of the way in which such goods as friendship, pleasure, virtue, honor and wealth fit together as a whole. In order to apply that general understanding to particular cases, we must acquire, through proper upbringing and habits, the ability to see, on each occasion, which course of action is best supported by reasons. Therefore practical wisdom, as he conceives it, cannot be acquired solely by learning general rules. We must also acquire, through practice, those deliberative, emotional, and social skills that enable us to put our general understanding of well-being into practice in ways that are suitable to each occasion.

1. Preliminaries

2. the human good and the function argument, 3.1 traditional virtues and the skeptic, 3.2 differences from and affinities to plato, 4. virtues and deficiencies, continence and incontinence, 5.1 ethical virtue as disposition, 5.2 ethical theory does not offer a decision procedure, 5.3 the starting point for practical reasoning, 6. intellectual virtues, 8. pleasure, 9. friendship, 10. three lives compared, a. single-authored overviews, b. anthologies, c.1 the chronological order of aristotle’s ethical treatises, c.2 the methodology and metaphysics of ethical theory, c.3 the human good and the human function, c.4 the nature of virtue and accounts of particular virtues, c.5 practical reasoning, moral psychology, and action, c.6 pleasure, c.7 friendship, c.8 feminism and aristotle, c.9 aristotle and contemporary ethics, d. bibliographies, primary literature, secondary literature, other internet resources, related entries.

Aristotle wrote two ethical treatises: the Nicomachean Ethics and the Eudemian Ethics . He does not himself use either of these titles, although in the Politics (1295a36) he refers back to one of them—probably the Eudemian Ethics —as “ ta êthika ”—his writings about character. The words “ Eudemian ” and “ Nicomachean ” were added later, perhaps because the former was edited by his friend, Eudemus, and the latter by his son, Nicomachus. In any case, these two works cover more or less the same ground: they begin with a discussion of eudaimonia (“happiness”, “flourishing”), and turn to an examination of the nature of aretê (“virtue”, “excellence”) and the character traits that human beings need in order to live life at its best. Both treatises examine the conditions in which praise or blame are appropriate, and the nature of pleasure and friendship; near the end of each work, we find a brief discussion of the proper relationship between human beings and the divine.

Though the general point of view expressed in each work is the same, there are many subtle differences in organization and content as well. Clearly, one is a re-working of the other, and although no single piece of evidence shows conclusively what their order is, it is widely assumed that the Nicomachean Ethics is a later and improved version of the Eudemian Ethics . (Not all of the Eudemian Ethics was revised: its Books IV, V, and VI re-appear as V, VI, VII of the Nicomachean Ethics .) Perhaps the most telling indication of this ordering is that in several instances the Nicomachean Ethics develops a theme about which its Eudemian cousin is silent. Only the Nicomachean Ethics discusses the close relationship between ethical inquiry and politics; only the Nicomachean Ethics critically examines Solon’s paradoxical dictum that no man should be counted happy until he is dead; and only the Nicomachean Ethics gives a series of arguments for the superiority of the philosophical life to the political life. The remainder of this article will therefore focus on this work. [Note: Page and line numbers shall henceforth refer to this treatise.]

A third treatise, called the Magna Moralia (the “Big Ethics”) is included in complete editions of Aristotle’s works, but its authorship is disputed by scholars. It ranges over topics discussed more fully in the other two works and its point of view is similar to theirs. (Why, being briefer, is it named the Magna Moralia ? Because each of the two papyrus rolls into which it is divided is unusually long. Just as a big mouse can be a small animal, two big chapters can make a small book. This work was evidently named “big” with reference to its parts, not the whole.) A few authors in antiquity refer to a work with this name and attribute it to Aristotle, but it is not mentioned by several authorities, such as Cicero and Diogenes Laertius, whom we would expect to have known of it. Some scholars hold that it is Aristotle’s earliest course on ethics—perhaps his own lecture notes or those of a student; others regard it as a post-Aristotelian compilation or adaption of one or both of his genuine ethical treatises.

Although Aristotle is deeply indebted to Plato’s moral philosophy, particularly Plato’s central insight that moral thinking must be integrated with our emotions and appetites, and that the preparation for such unity of character should begin with childhood education, the systematic character of Aristotle’s discussion of these themes was a remarkable innovation. No one had written ethical treatises before Aristotle. Plato’s Republic , for example, does not treat ethics as a distinct subject matter; nor does it offer a systematic examination of the nature of happiness, virtue, voluntariness, pleasure, or friendship. To be sure, we can find in Plato’s works important discussions of these phenomena, but they are not brought together and unified as they are in Aristotle’s ethical writings.

The principal idea with which Aristotle begins is that there are differences of opinion about what is best for human beings, and that to profit from ethical inquiry we must resolve this disagreement. He insists that ethics is not a theoretical discipline: we are asking what the good for human beings is not simply because we want to have knowledge, but because we will be better able to achieve our good if we develop a fuller understanding of what it is to flourish. In raising this question—what is the good?—Aristotle is not looking for a list of items that are good. He assumes that such a list can be compiled rather easily; most would agree, for example, that it is good to have friends, to experience pleasure, to be healthy, to be honored, and to have such virtues as courage at least to some degree. The difficult and controversial question arises when we ask whether certain of these goods are more desirable than others. Aristotle’s search for the good is a search for the highest good, and he assumes that the highest good, whatever it turns out to be, has three characteristics: it is desirable for itself, it is not desirable for the sake of some other good, and all other goods are desirable for its sake.

Aristotle thinks everyone will agree that the terms “ eudaimonia ” (“happiness”) and “ eu zên ” (“living well”) designate such an end. The Greek term “ eudaimon ” is composed of two parts: “ eu ” means “well” and “ daimon ” means “divinity” or “spirit”. To be eudaimon is therefore to be living in a way that is well-favored by a god. But Aristotle never calls attention to this etymology in his ethical writings, and it seems to have little influence on his thinking. He regards “ eudaimon ” as a mere substitute for eu zên (“living well”). These terms play an evaluative role, and are not simply descriptions of someone’s state of mind.

No one tries to live well for the sake of some further goal; rather, being eudaimon is the highest end, and all subordinate goals—health, wealth, and other such resources—are sought because they promote well-being, not because they are what well-being consists in. But unless we can determine which good or goods happiness consists in, it is of little use to acknowledge that it is the highest end. To resolve this issue, Aristotle asks what the ergon (“function”, “task”, “work”) of a human being is, and argues that it consists in activity of the rational part of the soul in accordance with virtue (1097b22–1098a20). One important component of this argument is expressed in terms of distinctions he makes in his psychological and biological works. The soul is analyzed into a connected series of capacities: the nutritive soul is responsible for growth and reproduction, the locomotive soul for motion, the perceptive soul for perception, and so on. The biological fact Aristotle makes use of is that human beings are the only species that has not only these lower capacities but a rational soul as well. The good of a human being must have something to do with being human; and what sets humanity off from other species, giving us the potential to live a better life, is our capacity to guide ourselves by using reason. If we use reason well, we live well as human beings; or, to be more precise, using reason well over the course of a full life is what happiness consists in. Doing anything well requires virtue or excellence, and therefore living well consists in activities caused by the rational soul in accordance with virtue or excellence.

Aristotle’s conclusion about the nature of happiness is in a sense uniquely his own. No other writer or thinker had said precisely what he says about what it is to live well. But at the same time his view is not too distant from a common idea. As he himself points out, one traditional conception of happiness identifies it with virtue (1098b30–1). Aristotle’s theory should be construed as a refinement of this position. He says, not that happiness is virtue, but that it is virtuous activity . Living well consists in doing something, not just being in a certain state or condition. It consists in those lifelong activities that actualize the virtues of the rational part of the soul.

At the same time, Aristotle makes it clear that in order to be happy one must possess others goods as well—such goods as friends, wealth, and power. And one’s happiness is endangered if one is severely lacking in certain advantages—if, for example, one is extremely ugly, or has lost children or good friends through death (1099a31–b6). But why so? If one’s ultimate end should simply be virtuous activity, then why should it make any difference to one’s happiness whether one has or lacks these other types of good? Aristotle’s reply is that one’s virtuous activity will be to some extent diminished or defective, if one lacks an adequate supply of other goods (1153b17–19). Someone who is friendless, childless, powerless, weak, and ugly will simply not be able to find many opportunities for virtuous activity over a long period of time, and what little he can accomplish will not be of great merit. To some extent, then, living well requires good fortune; happenstance can rob even the most excellent human beings of happiness. Nonetheless, Aristotle insists, the highest good, virtuous activity, is not something that comes to us by chance. Although we must be fortunate enough to have parents and fellow citizens who help us become virtuous, we ourselves share much of the responsibility for acquiring and exercising the virtues.

3. Methodology

A common complaint about Aristotle’s attempt to defend his conception of happiness is that his argument is too general to show that it is in one’s interest to possess any of the particular virtues as they are traditionally conceived. Suppose we grant, at least for the sake of argument, that doing anything well, including living well, consists in exercising certain skills; and let us call these skills, whatever they turn out to be, virtues. Even so, that point does not by itself allow us to infer that such qualities as temperance, justice, courage, as they are normally understood, are virtues. They should be counted as virtues only if it can be shown that actualizing precisely these skills is what happiness consists in. What Aristotle owes us, then, is an account of these traditional qualities that explains why they must play a central role in any well-lived life.

But perhaps Aristotle disagrees, and refuses to accept this argumentative burden. In one of several important methodological remarks he makes near the beginning of the Nicomachean Ethics , he says that in order to profit from the sort of study he is undertaking, one must already have been brought up in good habits (1095b4–6). The audience he is addressing, in other words, consists of people who are already just, courageous, and generous; or, at any rate, they are well on their way to possessing these virtues. Why such a restricted audience? Why does he not address those who have serious doubts about the value of these traditional qualities, and who therefore have not yet decided to cultivate and embrace them?

Addressing the moral skeptic, after all, is the project Plato undertook in the Republic : in Book I he rehearses an argument to show that justice is not really a virtue, and the remainder of this work is an attempt to rebut this thesis. Aristotle’s project seems, at least on the surface, to be quite different. He does not appear to be addressing someone who has genuine doubts about the value of justice or kindred qualities. Perhaps, then, he realizes how little can be accomplished, in the study of ethics, to provide it with a rational foundation. Perhaps he thinks that no reason can be given for being just, generous, and courageous. These are qualities one learns to love when one is a child, and having been properly habituated, one no longer looks for or needs a reason to exercise them. One can show, as a general point, that happiness consists in exercising some skills or other, but that the moral skills of a virtuous person are what one needs is not a proposition that can be established on the basis of argument.

This is not the only way of reading the Ethics , however. For surely we cannot expect Aristotle to show what it is about the traditional virtues that makes them so worthwhile until he has fully discussed the nature of those virtues. He himself warns us that his initial statement of what happiness is should be treated as a rough outline whose details are to be filled in later (1098a20–22). His intention in Book I of the Ethics is to indicate in a general way why the virtues are important; why particular virtues—courage, justice, and the like—are components of happiness is something we should be able to better understand only at a later point.

In any case, Aristotle’s assertion that his audience must already have begun to cultivate the virtues need not be taken to mean that no reasons can be found for being courageous, just, and generous. His point, rather, may be that in ethics, as in any other study, we cannot make progress towards understanding why things are as they are unless we begin with certain assumptions about what is the case. Neither theoretical nor practical inquiry starts from scratch. Someone who has made no observations of astronomical or biological phenomena is not yet equipped with sufficient data to develop an understanding of these sciences. The parallel point in ethics is that to make progress in this sphere we must already have come to enjoy doing what is just, courageous, generous and the like. We must experience these activities not as burdensome constraints, but as noble, worthwhile, and enjoyable in themselves. Then, when we engage in ethical inquiry, we can ask what it is about these activities that makes them worthwhile. We can also compare these goods with other things that are desirable in themselves—pleasure, friendship, honor, and so on—and ask whether any of them is more desirable than the others. We approach ethical theory with a disorganized bundle of likes and dislikes based on habit and experience; such disorder is an inevitable feature of childhood. But what is not inevitable is that our early experience will be rich enough to provide an adequate basis for worthwhile ethical reflection; that is why we need to have been brought up well. Yet such an upbringing can take us only so far. We seek a deeper understanding of the objects of our childhood enthusiasms, and we must systematize our goals so that as adults we have a coherent plan of life. We need to engage in ethical theory, and to reason well in this field, if we are to move beyond the low-grade form of virtue we acquired as children.

Read in this way, Aristotle is engaged in a project similar in some respects to the one Plato carried out in the Republic . One of Plato’s central points is that it is a great advantage to establish a hierarchical ordering of the elements in one’s soul; and he shows how the traditional virtues can be interpreted to foster or express the proper relation between reason and less rational elements of the psyche. Aristotle’s approach is similar: his “function argument” shows in a general way that our good lies in the dominance of reason, and the detailed studies of the particular virtues reveal how each of them involves the right kind of ordering of the soul. Aristotle’s goal is to arrive at conclusions like Plato’s, but without relying on the Platonic metaphysics that plays a central role in the argument of the Republic . He rejects the existence of Plato’s forms in general and the form of the good in particular; and he rejects the idea that in order to become fully virtuous one must study mathematics and the sciences, and see all branches of knowledge as a unified whole. Even though Aristotle’s ethical theory sometimes relies on philosophical distinctions that are more fully developed in his other works, he never proposes that students of ethics need to engage in a specialized study of the natural world, or mathematics, or eternal and changing objects. His project is to make ethics an autonomous field, and to show why a full understanding of what is good does not require expertise in any other field.

There is another contrast with Plato that should be emphasized: In Book II of the Republic , we are told that the best type of good is one that is desirable both in itself and for the sake of its results (357d–358a). Plato argues that justice should be placed in this category, but since it is generally agreed that it is desirable for its consequences, he devotes most of his time to establishing his more controversial point—that justice is to be sought for its own sake. By contrast, Aristotle assumes that if A is desirable for the sake of B , then B is better than A (1094a14–16); therefore, the highest kind of good must be one that is not desirable for the sake of anything else. To show that A deserves to be our ultimate end, one must show that all other goods are best thought of as instruments that promote A in some way or other. Accordingly, it would not serve Aristotle’s purpose to consider virtuous activity in isolation from all other goods. He needs to discuss honor, wealth, pleasure, and friendship in order to show how these goods, properly understood, can be seen as resources that serve the higher goal of virtuous activity. He vindicates the centrality of virtue in a well-lived life by showing that in the normal course of things a virtuous person will not live a life devoid of friends, honor, wealth, pleasure, and the like. Virtuous activity makes a life happy not by guaranteeing happiness in all circumstances, but by serving as the goal for the sake of which lesser goods are to be pursued. Aristotle’s methodology in ethics therefore pays more attention than does Plato’s to the connections that normally obtain between virtue and other goods. That is why he stresses that in this sort of study one must be satisfied with conclusions that hold only for the most part (1094b11–22). Poverty, isolation, and dishonor are normally impediments to the exercise of virtue and therefore to happiness, although there may be special circumstances in which they are not. The possibility of exceptions does not undermine the point that, as a rule, to live well is to have sufficient resources for the pursuit of virtue over the course of a lifetime.

Aristotle distinguishes two kinds of virtue (1103a1–10): those that pertain to the part of the soul that engages in reasoning (virtues of mind or intellect), and those that pertain to the part of the soul that cannot itself reason but is nonetheless capable of following reason (ethical virtues, virtues of character). Intellectual virtues are in turn divided into two sorts: those that pertain to theoretical reasoning, and those that pertain to practical thinking (1139a3–8). He organizes his material by first studying ethical virtue in general, then moving to a discussion of particular ethical virtues (temperance, courage, and so on), and finally completing his survey by considering the intellectual virtues (practical wisdom, theoretical wisdom, etc.).

All free males are born with the potential to become ethically virtuous and practically wise, but to achieve these goals they must go through two stages: during their childhood, they must develop the proper habits; and then, when their reason is fully developed, they must acquire practical wisdom ( phronêsis ). This does not mean that first we fully acquire the ethical virtues, and then, at a later stage, add on practical wisdom. Ethical virtue is fully developed only when it is combined with practical wisdom (1144b14–17). A low-grade form of ethical virtue emerges in us during childhood as we are repeatedly placed in situations that call for appropriate actions and emotions; but as we rely less on others and become capable of doing more of our own thinking, we learn to develop a larger picture of human life, our deliberative skills improve, and our emotional responses are perfected. Like anyone who has developed a skill in performing a complex and difficult activity, the virtuous person takes pleasure in exercising his intellectual skills. Furthermore, when he has decided what to do, he does not have to contend with internal pressures to act otherwise. He does not long to do something that he regards as shameful; and he is not greatly distressed at having to give up a pleasure that he realizes he should forego.

Aristotle places those who suffer from such internal disorders into one of three categories: (A) Some agents, having reached a decision about what to do on a particular occasion, experience some counter-pressure brought on by an appetite for pleasure, or anger, or some other emotion; and this countervailing influence is not completely under the control of reason. (1) Within this category, some are typically better able to resist these counter-rational pressures than is the average person. Such people are not virtuous, although they generally do what a virtuous person does. Aristotle calls them “continent” ( enkratês ). But (2) others are less successful than the average person in resisting these counter-pressures. They are “incontinent” ( akratês ). (The explanation of akrasia is a topic to which we will return in section 7.) In addition, (B) there is a type of agent who refuses even to try to do what an ethically virtuous agent would do, because he has become convinced that justice, temperance, generosity and the like are of little or no value. Such people Aristotle calls evil ( kakos , phaulos ). He assumes that evil people are driven by desires for domination and luxury, and although they are single-minded in their pursuit of these goals, he portrays them as deeply divided, because their pleonexia —their desire for more and more—leaves them dissatisfied and full of self-hatred.

It should be noticed that all three of these deficiencies—continence, incontinence, vice—involve some lack of internal harmony. (Here Aristotle’s debt to Plato is particularly evident, for one of the central ideas of the Republic is that the life of a good person is harmonious, and all other lives deviate to some degree from this ideal.) The evil person may wholeheartedly endorse some evil plan of action at a particular moment, but over the course of time, Aristotle supposes, he will regret his decision, because whatever he does will prove inadequate for the achievement of his goals (1166b5–29). Aristotle assumes that when someone systematically makes bad decisions about how to live his life, his failures are caused by psychological forces that are less than fully rational. His desires for pleasure, power or some other external goal have become so strong that they make him care too little or not at all about acting ethically. To keep such destructive inner forces at bay, we need to develop the proper habits and emotional responses when we are children, and to reflect intelligently on our aims when we are adults. But some vulnerability to these disruptive forces is present even in more-or-less virtuous people; that is why even a good political community needs laws and the threat of punishment. Clear thinking about the best goals of human life and the proper way to put them into practice is a rare achievement, because the human psyche is not a hospitable environment for the development of these insights.

5. The Doctrine of the Mean

Aristotle describes ethical virtue as a “ hexis ” (“state” “condition” “disposition”)—a tendency or disposition, induced by our habits, to have appropriate feelings (1105b25–6). Defective states of character are hexeis (plural of hexis ) as well, but they are tendencies to have inappropriate feelings. The significance of Aristotle’s characterization of these states as hexeis is his decisive rejection of the thesis, found throughout Plato’s early dialogues, that virtue is nothing but a kind of knowledge and vice nothing but a lack of knowledge. Although Aristotle frequently draws analogies between the crafts and the virtues (and similarly between physical health and eudaimonia ), he insists that the virtues differ from the crafts and all branches of knowledge in that the former involve appropriate emotional responses and are not purely intellectual conditions.

Furthermore, every ethical virtue is a condition intermediate (a “golden mean” as it is popularly known) between two other states, one involving excess, and the other deficiency (1106a26–b28). In this respect, Aristotle says, the virtues are no different from technical skills: every skilled worker knows how to avoid excess and deficiency, and is in a condition intermediate between two extremes. The courageous person, for example, judges that some dangers are worth facing and others not, and experiences fear to a degree that is appropriate to his circumstances. He lies between the coward, who flees every danger and experiences excessive fear, and the rash person, who judges every danger worth facing and experiences little or no fear. Aristotle holds that this same topography applies to every ethical virtue: all are located on a map that places the virtues between states of excess and deficiency. He is careful to add, however, that the mean is to be determined in a way that takes into account the particular circumstances of the individual (1106a36–b7). The arithmetic mean between 10 and 2 is 6, and this is so invariably, whatever is being counted. But the intermediate point that is chosen by an expert in any of the crafts will vary from one situation to another. There is no universal rule, for example, about how much food an athlete should eat, and it would be absurd to infer from the fact that 10 lbs. is too much and 2 lbs. too little for me that I should eat 6 lbs. Finding the mean in any given situation is not a mechanical or thoughtless procedure, but requires a full and detailed acquaintance with the circumstances.

It should be evident that Aristotle’s treatment of virtues as mean states endorses the idea that we should sometimes have strong feelings—when such feelings are called for by our situation. Sometimes only a small degree of anger is appropriate; but at other times, circumstances call for great anger. The right amount is not some quantity between zero and the highest possible level, but rather the amount, whatever it happens to be, that is proportionate to the seriousness of the situation. Of course, Aristotle is committed to saying that anger should never reach the point at which it undermines reason; and this means that our passion should always fall short of the extreme point at which we would lose control. But it is possible to be very angry without going to this extreme, and Aristotle does not intend to deny this.

The theory of the mean is open to several objections, but before considering them, we should recognize that in fact there are two distinct theses each of which might be called a doctrine of the mean. First, there is the thesis that every virtue is a state that lies between two vices, one of excess and the other of deficiency. Second, there is the idea that whenever a virtuous person chooses to perform a virtuous act, he can be described as aiming at an act that is in some way or other intermediate between alternatives that he rejects. It is this second thesis that is most likely to be found objectionable. A critic might concede that in some cases virtuous acts can be described in Aristotle’s terms. If, for example, one is trying to decide how much to spend on a wedding present, one is looking for an amount that is neither excessive nor deficient. But surely many other problems that confront a virtuous agent are not susceptible to this quantitative analysis. If one must decide whether to attend a wedding or respect a competing obligation instead, it would not be illuminating to describe this as a search for a mean between extremes—unless “aiming at the mean” simply becomes another phrase for trying to make the right decision. The objection, then, is that Aristotle’s doctrine of the mean, taken as a doctrine about what the ethical agent does when he deliberates, is in many cases inapplicable or unilluminating.

A defense of Aristotle would have to say that the virtuous person does after all aim at a mean, if we allow for a broad enough notion of what sort of aiming is involved. For example, consider a juror who must determine whether a defendant is guilty as charged. He does not have before his mind a quantitative question; he is trying to decide whether the accused committed the crime, and is not looking for some quantity of action intermediate between extremes. Nonetheless, an excellent juror can be described as someone who, in trying to arrive at the correct decision, seeks to express the right degree of concern for all relevant considerations. He searches for the verdict that results from a deliberative process that is neither overly credulous nor unduly skeptical. Similarly, in facing situations that arouse anger, a virtuous agent must determine what action (if any) to take in response to an insult, and although this is not itself a quantitative question, his attempt to answer it properly requires him to have the right degree of concern for his standing as a member of the community. He aims at a mean in the sense that he looks for a response that avoids too much or too little attention to factors that must be taken into account in making a wise decision.

Perhaps a greater difficulty can be raised if we ask how Aristotle determines which emotions are governed by the doctrine of the mean. Consider someone who loves to wrestle, for example. Is this passion something that must be felt by every human being at appropriate times and to the right degree? Surely someone who never felt this emotion to any degree could still live a perfectly happy life. Why then should we not say the same about at least some of the emotions that Aristotle builds into his analysis of the ethically virtuous agent? Why should we experience anger at all, or fear, or the degree of concern for wealth and honor that Aristotle commends? These are precisely the questions that were asked in antiquity by the Stoics, and they came to the conclusion that such common emotions as anger and fear are always inappropriate. Aristotle assumes, on the contrary, not simply that these common passions are sometimes appropriate, but that it is essential that every human being learn how to master them and experience them in the right way at the right times. A defense of his position would have to show that the emotions that figure in his account of the virtues are valuable components of any well-lived human life, when they are experienced properly. Perhaps such a project could be carried out, but Aristotle himself does not attempt to do so.

He often says, in the course of his discussion, that when the good person chooses to act virtuously, he does so for the sake of the “ kalon ”—a word that can mean “beautiful”, “noble”, or “fine” (see for example 1120a23–4). This term indicates that Aristotle sees in ethical activity an attraction that is comparable to the beauty of well-crafted artifacts, including such artifacts as poetry, music, and drama. He draws this analogy in his discussion of the mean, when he says that every craft tries to produce a work from which nothing should be taken away and to which nothing further should be added (1106b5–14). A craft product, when well designed and produced by a good craftsman, is not merely useful, but also has such elements as balance, proportion and harmony—for these are properties that help make it useful. Similarly, Aristotle holds that a well-executed project that expresses the ethical virtues will not merely be advantageous but kalon as well—for the balance it strikes is part of what makes it advantageous. The young person learning to acquire the virtues must develop a love of doing what is kalon and a strong aversion to its opposite—the aischron , the shameful and ugly. Determining what is kalon is difficult (1106b28–33, 1109a24–30), and the normal human aversion to embracing difficulties helps account for the scarcity of virtue (1104b10–11).

It should be clear that neither the thesis that virtues lie between extremes nor the thesis that the good person aims at what is intermediate is intended as a procedure for making decisions. These doctrines of the mean help show what is attractive about the virtues, and they also help systematize our understanding of which qualities are virtues. Once we see that temperance, courage, and other generally recognized characteristics are mean states, we are in a position to generalize and to identify other mean states as virtues, even though they are not qualities for which we have a name. Aristotle remarks, for example, that the mean state with respect to anger has no name in Greek (1125b26–7). Though he is guided to some degree by distinctions captured by ordinary terms, his methodology allows him to recognize states for which no names exist.

So far from offering a decision procedure, Aristotle insists that this is something that no ethical theory can do. His theory elucidates the nature of virtue, but what must be done on any particular occasion by a virtuous agent depends on the circumstances, and these vary so much from one occasion to another that there is no possibility of stating a series of rules, however complicated, that collectively solve every practical problem. This feature of ethical theory is not unique; Aristotle thinks it applies to many crafts, such as medicine and navigation (1104a7–10). He says that the virtuous person “sees the truth in each case, being as it were a standard and measure of them” (1113a32–3); but this appeal to the good person’s vision should not be taken to mean that he has an inarticulate and incommunicable insight into the truth. Aristotle thinks of the good person as someone who is good at deliberation, and he describes deliberation as a process of rational inquiry. The intermediate point that the good person tries to find is

determined by logos (“reason”, “account”) and in the way that the person of practical reason would determine it. (1107a1–2)

To say that such a person “sees” what to do is simply a way of registering the point that the good person’s reasoning does succeed in discovering what is best in each situation. He is “as it were a standard and measure” in the sense that his views should be regarded as authoritative by other members of the community. A standard or measure is something that settles disputes; and because good people are so skilled at discovering the mean in difficult cases, their advice must be sought and heeded.

Although there is no possibility of writing a book of rules, however long, that will serve as a complete guide to wise decision-making, it would be a mistake to attribute to Aristotle the opposite position, namely that every purported rule admits of exceptions, so that even a small rule-book that applies to a limited number of situations is an impossibility. He makes it clear that certain emotions (spite, shamelessness, envy) and actions (adultery, theft, murder) are always wrong, regardless of the circumstances (1107a8–12). Although he says that the names of these emotions and actions convey their wrongness, he should not be taken to mean that their wrongness derives from linguistic usage. He defends the family as a social institution against the criticisms of Plato ( Politics II.3–4), and so when he says that adultery is always wrong, he is prepared to argue for his point by explaining why marriage is a valuable custom and why extra-marital intercourse undermines the relationship between husband and wife. He is not making the tautological claim that wrongful sexual activity is wrong, but the more specific and contentious point that marriages ought to be governed by a rule of strict fidelity. Similarly, when he says that murder and theft are always wrong, he does not mean that wrongful killing and taking are wrong, but that the current system of laws regarding these matters ought to be strictly enforced. So, although Aristotle holds that ethics cannot be reduced to a system of rules, however complex, he insists that some rules are inviolable.

We have seen that the decisions of a practically wise person are not mere intuitions, but can be justified by a chain of reasoning. (This is why Aristotle often talks in term of a practical syllogism, with a major premise that identifies some good to be achieved, and a minor premise that locates the good in some present-to-hand situation.) At the same time, he is acutely aware of the fact that reasoning can always be traced back to a starting point that is not itself justified by further reasoning. Neither good theoretical reasoning nor good practical reasoning moves in a circle; true thinking always presupposes and progresses in linear fashion from proper starting points. And that leads him to ask for an account of how the proper starting points of reasoning are to be determined. Practical reasoning always presupposes that one has some end, some goal one is trying to achieve; and the task of reasoning is to determine how that goal is to be accomplished. (This need not be means-end reasoning in the conventional sense; if, for example, our goal is the just resolution of a conflict, we must determine what constitutes justice in these particular circumstances. Here we are engaged in ethical inquiry, and are not asking a purely instrumental question.) But if practical reasoning is correct only if it begins from a correct premise, what is it that insures the correctness of its starting point?

Aristotle replies: “Virtue makes the goal right, practical wisdom the things leading to it” (1144a7–8). By this he cannot mean that there is no room for reasoning about our ultimate end. For as we have seen, he gives a reasoned defense of his conception of happiness as virtuous activity. What he must have in mind, when he says that virtue makes the goal right, is that deliberation typically proceeds from a goal that is far more specific than the goal of attaining happiness by acting virtuously. To be sure, there may be occasions when a good person approaches an ethical problem by beginning with the premise that happiness consists in virtuous activity. But more often what happens is that a concrete goal presents itself as his starting point—helping a friend in need, or supporting a worthwhile civic project. Which specific project we set for ourselves is determined by our character. A good person starts from worthwhile concrete ends because his habits and emotional orientation have given him the ability to recognize that such goals are within reach, here and now. Those who are defective in character may have the rational skill needed to achieve their ends—the skill Aristotle calls cleverness (1144a23–8)—but often the ends they seek are worthless. The cause of this deficiency lies not in some impairment in their capacity to reason—for we are assuming that they are normal in this respect—but in the training of their passions.

Since Aristotle often calls attention to the imprecision of ethical theory (see e.g. 1104a1–7), it comes as a surprise to many readers of the Ethics that he begins Book VI with the admission that his earlier statements about the mean need supplementation because they are not yet clear ( saphes ). In every practical discipline, the expert aims at a mark and uses right reason to avoid the twin extremes of excess and deficiency. But what is this right reason, and by what standard ( horos ) is it to be determined? Aristotle says that unless we answer that question, we will be none the wiser—just as a student of medicine will have failed to master his subject if he can only say that the right medicines to administer are the ones that are prescribed by medical expertise, but has no standard other than this (1138b18–34).

It is not easy to understand the point Aristotle is making here. Has he not already told us that there can be no complete theoretical guide to ethics, that the best one can hope for is that in particular situations one’s ethical habits and practical wisdom will help one determine what to do? Furthermore, Aristotle nowhere announces, in the remainder of Book VI, that we have achieved the greater degree of accuracy that he seems to be looking for. The rest of this Book is a discussion of the various kinds of intellectual virtues: theoretical wisdom, science ( epistêmê ), intuitive understanding ( nous ), practical wisdom, and craft expertise. Aristotle explains what each of these states of mind is, draws various contrasts among them, and takes up various questions that can be raised about their usefulness. At no point does he explicitly return to the question he raised at the beginning of Book VI; he never says, “and now we have the standard of right reason that we were looking for”. Nor is it easy to see how his discussion of these five intellectual virtues can bring greater precision to the doctrine of the mean.

We can make some progress towards solving this problem if we remind ourselves that at the beginning of the Ethics , Aristotle describes his inquiry as an attempt to develop a better understanding of what our ultimate aim should be. The sketchy answer he gives in Book I is that happiness consists in virtuous activity. In Books II through V, he describes the virtues of the part of the soul that is rational in that it can be attentive to reason, even though it is not capable of deliberating. But precisely because these virtues are rational only in this derivative way, they are a less important component of our ultimate end than is the intellectual virtue—practical wisdom—with which they are integrated. If what we know about virtue is only what is said in Books II through V, then our grasp of our ultimate end is radically incomplete, because we still have not studied the intellectual virtue that enables us to reason well in any given situation. One of the things, at least, towards which Aristotle is gesturing, as he begins Book VI, is practical wisdom. This state of mind has not yet been analyzed, and that is one reason why he complains that his account of our ultimate end is not yet clear enough.

But is practical wisdom the only ingredient of our ultimate end that has not yet been sufficiently discussed? Book VI discusses five intellectual virtues, not just practical wisdom, but it is clear that at least one of these—craft knowledge—is considered only in order to provide a contrast with the others. Aristotle is not recommending that his readers make this intellectual virtue part of their ultimate aim. But what of the remaining three: science, intuitive understanding, and the virtue that combines them, theoretical wisdom? Are these present in Book VI only in order to provide a contrast with practical wisdom, or is Aristotle saying that these too must be components of our goal? He does not fully address this issue, but it is evident from several of his remarks in Book VI that he takes theoretical wisdom to be a more valuable state of mind than practical wisdom.

It is strange if someone thinks that politics or practical wisdom is the most excellent kind of knowledge, unless man is the best thing in the cosmos. (1141a20–22)

He says that theoretical wisdom produces happiness by being a part of virtue (1144a3–6), and that practical wisdom looks to the development of theoretical wisdom, and issues commands for its sake (1145a8–11). So it is clear that exercising theoretical wisdom is a more important component of our ultimate goal than practical wisdom.

Even so, it may still seem perplexing that these two intellectual virtues, either separately or collectively, should somehow fill a gap in the doctrine of the mean. Having read Book VI and completed our study of what these two forms of wisdom are, how are we better able to succeed in finding the mean in particular situations?

The answer to this question may be that Aristotle does not intend Book VI to provide a full answer to that question, but rather to serve as a prolegomenon to an answer. For it is only near the end of Book X that he presents a full discussion of the relative merits of these two kinds of intellectual virtue, and comments on the different degrees to which each needs to be provided with resources. In X.7–8, he argues that the happiest kind of life is that of a philosopher—someone who exercises, over a long period of time, the virtue of theoretical wisdom, and has sufficient resources for doing so. (We will discuss these chapters more fully in section 10 below.) One of his reasons for thinking that such a life is superior to the second-best kind of life—that of a political leader, someone who devotes himself to the exercise of practical rather than theoretical wisdom—is that it requires less external equipment (1178a23–b7). Aristotle has already made it clear in his discussion of the ethical virtues that someone who is greatly honored by his community and commands large financial resources is in a position to exercise a higher order of ethical virtue than is someone who receives few honors and has little property. The virtue of magnificence is superior to mere liberality, and similarly greatness of soul is a higher excellence than the ordinary virtue that has to do with honor. (These qualities are discussed in IV.1–4.) The grandest expression of ethical virtue requires great political power, because it is the political leader who is in a position to do the greatest amount of good for the community. The person who chooses to lead a political life, and who aims at the fullest expression of practical wisdom, has a standard for deciding what level of resources he needs: he should have friends, property, and honors in sufficient quantities to allow his practical wisdom to express itself without impediment. But if one chooses instead the life of a philosopher, then one will look to a different standard—the fullest expression of theoretical wisdom—and one will need a smaller supply of these resources.

This enables us to see how Aristotle’s treatment of the intellectual virtues does give greater content and precision to the doctrine of the mean. The best standard is the one adopted by the philosopher; the second-best is the one adopted by the political leader. In either case, it is the exercise of an intellectual virtue that provides a guideline for making important quantitative decisions. This supplement to the doctrine of the mean is fully compatible with Aristotle’s thesis that no set of rules, no matter how long and detailed, obviates the need for deliberative and ethical virtue. If one chooses the life of a philosopher, one should keep the level of one’s resources high enough to secure the leisure necessary for such a life, but not so high that one’s external equipment becomes a burden and a distraction rather than an aid to living well. That gives one a firmer idea of how to hit the mean, but it still leaves the details to be worked out. The philosopher will need to determine, in particular situations, where justice lies, how to spend wisely, when to meet or avoid a danger, and so on. All of the normal difficulties of ethical life remain, and they can be solved only by means of a detailed understanding of the particulars of each situation. Having philosophy as one’s ultimate aim does not put an end to the need for developing and exercising practical wisdom and the ethical virtues.

In VII.1–10 Aristotle investigates character traits—continence and incontinence—that are not as blameworthy as the vices but not as praiseworthy as the virtues. (We began our discussion of these qualities in section 4.) The Greek terms are akrasia (“incontinence”; literally: “lack of mastery”) and enkrateia (“continence”; literally “mastery”). An akratic person goes against reason as a result of some pathos (“emotion”, “feeling”). Like the akratic, an enkratic person experiences a feeling that is contrary to reason; but unlike the akratic, he acts in accordance with reason. His defect consists solely in the fact that, more than most people, he experiences passions that conflict with his rational choice. The akratic person has not only this defect, but has the further flaw that he gives in to feeling rather than reason more often than the average person.

Aristotle distinguishes two kinds of akrasia: impetuosity ( propeteia ) and weakness ( astheneia ). The person who is weak goes through a process of deliberation and makes a choice; but rather than act in accordance with his reasoned choice, he acts under the influence of a passion. By contrast, the impetuous person does not go through a process of deliberation and does not make a reasoned choice; he simply acts under the influence of a passion. At the time of action, the impetuous person experiences no internal conflict. But once his act has been completed, he regrets what he has done. One could say that he deliberates, if deliberation were something that post-dated rather than preceded action; but the thought process he goes through after he acts comes too late to save him from error.

It is important to bear in mind that when Aristotle talks about impetuosity and weakness, he is discussing chronic conditions. The impetuous person is someone who acts emotionally and fails to deliberate not just once or twice but with some frequency; he makes this error more than most people do. Because of this pattern in his actions, we would be justified in saying of the impetuous person that had his passions not prevented him from doing so, he would have deliberated and chosen an action different from the one he did perform.

The two kinds of passions that Aristotle focuses on, in his treatment of akrasia , are the appetite for pleasure and anger. Either can lead to impetuosity and weakness. But Aristotle gives pride of place to the appetite for pleasure as the passion that undermines reason. He calls the kind of akrasia caused by an appetite for pleasure “unqualified akrasia ”—or, as we might say, akrasia “full stop”; akrasia caused by anger he considers a qualified form of akrasia and calls it akrasia “with respect to anger”. We thus have these four forms of akrasia : (A) impetuosity caused by pleasure, (B) impetuosity caused by anger, (C) weakness caused by pleasure (D) weakness caused by anger. It should be noticed that Aristotle’s treatment of akrasia is heavily influenced by Plato’s tripartite division of the soul in the Republic . Plato holds that either the spirited part (which houses anger, as well as other emotions) or the appetitive part (which houses the desire for physical pleasures) can disrupt the dictates of reason and result in action contrary to reason. The same threefold division of the soul can be seen in Aristotle’s approach to this topic.

Although Aristotle characterizes akrasia and enkrateia in terms of a conflict between reason and feeling, his detailed analysis of these states of mind shows that what takes place is best described in a more complicated way. For the feeling that undermines reason contains some thought, which may be implicitly general. As Aristotle says, anger “reasoning as it were that one must fight against such a thing, is immediately provoked” (1149a33–4). And although in the next sentence he denies that our appetite for pleasure works in this way, he earlier had said that there can be a syllogism that favors pursuing enjoyment: “Everything sweet is pleasant, and this is sweet” leads to the pursuit of a particular pleasure (1147a31–30). Perhaps what he has in mind is that pleasure can operate in either way: it can prompt action unmediated by a general premise, or it can prompt us to act on such a syllogism. By contrast, anger always moves us by presenting itself as a bit of general, although hasty, reasoning.

But of course Aristotle does not mean that a conflicted person has more than one faculty of reason. Rather his idea seems to be that in addition to our full-fledged reasoning capacity, we also have psychological mechanisms that are capable of a limited range of reasoning. When feeling conflicts with reason, what occurs is better described as a fight between feeling-allied-with-limited-reasoning and full-fledged reason. Part of us—reason—can remove itself from the distorting influence of feeling and consider all relevant factors, positive and negative. But another part of us—feeling or emotion—has a more limited field of reasoning—and sometimes it does not even make use of it.

Although “passion” is sometimes used as a translation of Aristotle’s word pathos (other alternatives are “emotion” and “feeling”), it is important to bear in mind that his term does not necessarily designate a strong psychological force. Anger is a pathos whether it is weak or strong; so too is the appetite for bodily pleasures. And he clearly indicates that it is possible for an akratic person to be defeated by a weak pathos —the kind that most people would easily be able to control (1150a9–b16). So the general explanation for the occurrence of akrasia cannot be that the strength of a passion overwhelms reason. Aristotle should therefore be acquitted of an accusation made against him by J.L. Austin in a well-known footnote to his paper, “A Plea For Excuses”. Plato and Aristotle, he says, collapsed all succumbing to temptation into losing control of ourselves—a mistake illustrated by this example:

I am very partial to ice cream, and a bombe is served divided into segments corresponding one to one with the persons at High Table: I am tempted to help myself to two segments and do so, thus succumbing to temptation and even conceivably (but why necessarily?) going against my principles. But do I lose control of myself? Do I raven, do I snatch the morsels from the dish and wolf them down, impervious to the consternation of my colleagues? Not a bit of it. We often succumb to temptation with calm and even with finesse. (1957: 24, fn 13 [1961: 146])

With this, Aristotle can agree: the pathos for the bombe can be a weak one, and in some people that will be enough to get them to act in a way that is disapproved by their reason at the very time of action.

What is most remarkable about Aristotle’s discussion of akrasia is that he defends a position close to that of Socrates. When he first introduces the topic of akrasia , and surveys some of the problems involved in understanding this phenomenon, he says (1145b25–8) that Socrates held that there is no akrasia , and he describes this as a thesis that clearly conflicts with the appearances ( phainomena ). Since he says that his goal is to preserve as many of the appearances as possible (1145b2–7), it may come as a surprise that when he analyzes the conflict between reason and feeling, he arrives at the conclusion that in a way Socrates was right after all (1147b13–17). For, he says, the person who acts against reason does not have what is thought to be unqualified knowledge; in a way he has knowledge, but in a way does not.

Aristotle explains what he has in mind by comparing akrasia to the condition of other people who might be described as knowing in a way, but not in an unqualified way. His examples are people who are asleep, mad, or drunk; he also compares the akratic to a student who has just begun to learn a subject, or an actor on the stage (1147a10–24). All of these people, he says, can utter the very words used by those who have knowledge; but their talk does not prove that they really have knowledge, strictly speaking.

These analogies can be taken to mean that the form of akrasia that Aristotle calls weakness rather than impetuosity always results from some diminution of cognitive or intellectual acuity at the moment of action. The akratic says, at the time of action, that he ought not to indulge in this particular pleasure at this time. But does he know or even believe that he should refrain? Aristotle might be taken to reply: yes and no. He has some degree of recognition that he must not do this now, but not full recognition. His feeling, even if it is weak, has to some degree prevented him from completely grasping or affirming the point that he should not do this. And so in a way Socrates was right. When reason remains unimpaired and unclouded, its dictates will carry us all the way to action, so long as we are able to act.

But Aristotle’s agreement with Socrates is only partial, because he insists on the power of the emotions to rival, weaken or bypass reason. Emotion challenges reason in all three of these ways. In both the akratic and the enkratic, it competes with reason for control over action; even when reason wins, it faces the difficult task of having to struggle with an internal rival. Second, in the akratic, it temporarily robs reason of its full acuity, thus handicapping it as a competitor. It is not merely a rival force, in these cases; it is a force that keeps reason from fully exercising its power. And third, passion can make someone impetuous; here its victory over reason is so powerful that the latter does not even enter into the arena of conscious reflection until it is too late to influence action.

Supplementary Document: Alternate Readings of Aristotle on Akrasia

Aristotle frequently emphasizes the importance of pleasure to human life and therefore to his study of how we should live (see for example 1099a7–20 and 1104b3–1105a16), but his full-scale examination of the nature and value of pleasure is found in two places: VII.11–14 and X.1–5. It is odd that pleasure receives two lengthy treatments; no other topic in the Ethics is revisited in this way. Book VII of the Nicomachean Ethics is identical to Book VI of the Eudemian Ethics ; for unknown reasons, the editor of the former decided to include within it both the treatment of pleasure that is unique to that work (X.1–5) and the study that is common to both treatises (VII.11–14). The two accounts are broadly similar. They agree about the value of pleasure, defend a theory about its nature, and oppose competing theories. Aristotle holds that a happy life must include pleasure, and he therefore opposes those who argue that pleasure is by its nature bad. He insists that there are other pleasures besides those of the senses, and that the best pleasures are the ones experienced by virtuous people who have sufficient resources for excellent activity.

Book VII offers a brief account of what pleasure is and is not. It is not a process but an unimpeded activity of a natural state (1153a7–17). Aristotle does not elaborate on what a natural state is, but he obviously has in mind the healthy condition of the body, especially its sense faculties, and the virtuous condition of the soul. Little is said about what it is for an activity to be unimpeded, but Aristotle does remind us that virtuous activity is impeded by the absence of a sufficient supply of external goods (1153b17–19). One might object that people who are sick or who have moral deficiencies can experience pleasure, even though Aristotle does not take them to be in a natural state. He has two strategies for responding. First, when a sick person experiences some degree of pleasure as he is being restored to health, the pleasure he is feeling is caused by the fact that he is no longer completely ill. Some small part of him is in a natural state and is acting without impediment (1152b35–6). Second, Aristotle is willing to say that what seems pleasant to some people may in fact not be pleasant (1152b31–2), just as what tastes bitter to an unhealthy palate may not be bitter. To call something a pleasure is not only to report a state of mind but also to endorse it to others. Aristotle’s analysis of the nature of pleasure is not meant to apply to every case in which something seems pleasant to someone, but only to activities that really are pleasures. All of these are unimpeded activities of a natural state.

It follows from this conception of pleasure that every instance of pleasure must be good to some extent. For how could an unimpeded activity of a natural state be bad or a matter of indifference? On the other hand, Aristotle does not mean to imply that every pleasure should be chosen. He briefly mentions the point that pleasures compete with each other, so that the enjoyment of one kind of activity impedes other activities that cannot be carried out at the same time (1153a20–22). His point is simply that although some pleasures may be good, they are not worth choosing when they interfere with other activities that are far better. This point is developed more fully in Ethics X.5.

Furthermore, Aristotle’s analysis allows him to speak of certain pleasures as “bad without qualification” (1152b26–33), even though pleasure is the unimpeded activity of a natural state. To call a pleasure “bad without qualification” is to insist that it should be avoided, but allow that nonetheless it should be chosen in constraining circumstances. The pleasure of recovering from an illness, for example, is bad without qualification—meaning that it is not one of the pleasures one would ideally choose, if one could completely control one’s circumstances. Although it really is a pleasure and so something can be said in its favor, it is so inferior to other goods that ideally one ought to forego it. Nonetheless, it is a pleasure worth having—if one adds the qualification that it is only worth having in undesirable circumstances. The pleasure of recovering from an illness is good, because some small part of oneself is in a natural state and is acting without impediment; but it can also be called bad, if what one means by this is that one should avoid getting into a situation in which one experiences that pleasure.

Aristotle indicates several times in VII.11–14 that merely to say that pleasure is a good does not do it enough justice; he also wants to say that the highest good is a pleasure. Here he is influenced by an idea expressed in the opening line of the Ethics : the good is that at which all things aim. In VII.13, he hints at the idea that all living things imitate the contemplative activity of god (1153b31–2). Plants and non-human animals seek to reproduce themselves because that is their way of participating in an unending series, and this is the closest they can come to the ceaseless thinking of the unmoved mover. Aristotle makes this point in several of his works (see for example De Anima 415a23–b7), and in Ethics X.7–8 he gives a full defense of the idea that the happiest human life resembles the life of a divine being. He conceives of god as a being who continually enjoys a “single and simple pleasure” (1154b26)—the pleasure of pure thought—whereas human beings, because of their complexity, grow weary of whatever they do. He will elaborate on these points in X.8; in VII.11–14, he appeals to his conception of divine activity only in order to defend the thesis that our highest good consists in a certain kind of pleasure. Human happiness does not consist in every kind of pleasure, but it does consist in one kind of pleasure—the pleasure felt by a human being who engages in theoretical activity and thereby imitates the pleasurable thinking of god.

Book X offers a much more elaborate account of what pleasure is and what it is not. It is not a process, because processes go through developmental stages: building a temple is a process because the temple is not present all at once, but only comes into being through stages that unfold over time. By contrast, pleasure, like seeing and many other activities, is not something that comes into existence through a developmental process. If I am enjoying a conversation, for example, I do not need to wait until it is finished in order to feel pleased; I take pleasure in the activity all along the way. The defining nature of pleasure is that it is an activity that accompanies other activities, and in some sense brings them to completion. Pleasure occurs when something within us, having been brought into good condition, is activated in relation to an external object that is also in good condition. The pleasure of drawing, for example, requires both the development of drawing ability and an object of attention that is worth drawing.

The conception of pleasure that Aristotle develops in Book X is obviously closely related to the analysis he gives in Book VII. But the theory proposed in the later Book brings out a point that had received too little attention earlier: pleasure is by its nature something that accompanies something else. It is not enough to say that it is what happens when we are in good condition and are active in unimpeded circumstances; one must add to that point the further idea that pleasure plays a certain role in complementing something other than itself. Drawing well and the pleasure of drawing well always occur together, and so they are easy to confuse, but Aristotle’s analysis in Book X emphasizes the importance of making this distinction.

He says that pleasure completes the activity that it accompanies, but then adds, mysteriously, that it completes the activity in the manner of an end that is added on. In the translation of W.D. Ross, it “supervenes as the bloom of youth does on those in the flower of their age” (1174b33). It is unclear what thought is being expressed here, but perhaps Aristotle is merely trying to avoid a possible misunderstanding: when he says that pleasure completes an activity, he does not mean that the activity it accompanies is in some way defective, and that the pleasure improves the activity by removing this defect. Aristotle’s language is open to that misinterpretation because the verb that is translated “complete” ( teleein ) can also mean “perfect”. The latter might be taken to mean that the activity accompanied by pleasure has not yet reached a sufficiently high level of excellence, and that the role of pleasure is to bring it to the point of perfection. Aristotle does not deny that when we take pleasure in an activity we get better at it, but when he says that pleasure completes an activity by supervening on it, like the bloom that accompanies those who have achieved the highest point of physical beauty, his point is that the activity complemented by pleasure is already perfect, and the pleasure that accompanies it is a bonus that serves no further purpose. Taking pleasure in an activity does help us improve at it, but enjoyment does not cease when perfection is achieved—on the contrary, that is when pleasure is at its peak. That is when it reveals most fully what it is: an added bonus that crowns our achievement.

It is clear, at any rate, that in Book X Aristotle gives a fuller account of what pleasure is than he had in Book VII. We should take note of a further difference between these two discussions: In Book X, he makes the point that pleasure is a good but not the good. He cites and endorses an argument given by Plato in the Philebus : If we imagine a life filled with pleasure and then mentally add wisdom to it, the result is made more desirable. But the good is something that cannot be improved upon in this way. Therefore pleasure is not the good (1172b23–35). By contrast, in Book VII Aristotle strongly implies that the pleasure of contemplation is the good, because in one way or another all living beings aim at this sort of pleasure. Aristotle observes in Book X that what all things aim at is good (1172b35–1173a1); significantly, he falls short of endorsing the argument that since all aim at pleasure, it must be the good.

Book VII makes the point that pleasures interfere with each other, and so even if all kinds of pleasures are good, it does not follow that all of them are worth choosing. One must make a selection among pleasures by determining which are better. But how is one to make this choice? Book VII does not say, but in Book X, Aristotle holds that the selection of pleasures is not to be made with reference to pleasure itself, but with reference to the activities they accompany.

Since activities differ with respect to goodness and badness, some being worth choosing, others worth avoiding, and others neither, the same is true of pleasures as well. (1175b24–6)

Aristotle’s statement implies that in order to determine whether (for example) the pleasure of virtuous activity is more desirable than that of eating, we are not to attend to the pleasures themselves but to the activities with which we are pleased. A pleasure’s goodness derives from the goodness of its associated activity. And surely the reason why pleasure is not the criterion to which we should look in making these decisions is that it is not the good. The standard we should use in making comparisons between rival options is virtuous activity, because that has been shown to be identical to happiness.

That is why Aristotle says that what is judged pleasant by a good man really is pleasant, because the good man is the measure of things (1176a15–19). He does not mean that the way to lead our lives is to search for a good man and continually rely on him to tell us what is pleasurable. Rather, his point is that there is no way of telling what is genuinely pleasurable (and therefore what is most pleasurable) unless we already have some other standard of value. Aristotle’s discussion of pleasure thus helps confirm his initial hypothesis that to live our lives well we must focus on one sort of good above all others: virtuous activity. It is the good in terms of which all other goods must be understood. Aristotle’s analysis of friendship supports the same conclusion.

The topic of Books VIII and IX of the Ethics is friendship. Although it is difficult to avoid the term “friendship” as a translation of “ philia ”, and this is an accurate term for the kind of relationship he is most interested in, we should bear in mind that he is discussing a wider range of phenomena than this translation might lead us to expect, for the Greeks use the term, “ philia ”, to name the relationship that holds among family members, and do not reserve it for voluntary relationships. Although Aristotle is interested in classifying the different forms that friendship takes, his main theme in Books VIII and IX is to show the close relationship between virtuous activity and friendship. He is vindicating his conception of happiness as virtuous activity by showing how satisfying are the relationships that a virtuous person can normally expect to have.

His taxonomy begins with the premise that there are three main reasons why one person might like someone else. (The verb, “ philein ”, which is cognate to the noun “ philia ”, can sometimes be translated “like” or even “love”—though in other cases philia involves very little in the way of feeling.) One might like someone because he is good, or because he is useful, or because he is pleasant. And so there are three bases for friendships, depending on which of these qualities binds friends together. When two individuals recognize that the other person is someone of good character, and they spend time with each other, engaged in activities that exercise their virtues, then they form one kind of friendship. If they are equally virtuous, their friendship is perfect. If, however, there is a large gap in their moral development (as between a parent and a small child, or between a husband and a wife), then although their relationship may be based on the other person’s good character, it will be imperfect precisely because of their inequality.

The imperfect friendships that Aristotle focuses on, however, are not unequal relationships based on good character. Rather, they are relationships held together because each individual regards the other as the source of some advantage to himself or some pleasure he receives. When Aristotle calls these relationships “imperfect”, he is tacitly relying on widely accepted assumptions about what makes a relationship satisfying. These friendships are defective, and have a smaller claim to be called “friendships”, because the individuals involved have little trust in each other, quarrel frequently, and are ready to break off their association abruptly. Aristotle does not mean to suggest that unequal relations based on the mutual recognition of good character are defective in these same ways. Rather, when he says that unequal relationships based on character are imperfect, his point is that people are friends in the fullest sense when they gladly spend their days together in shared activities, and this close and constant interaction is less available to those who are not equal in their moral development.

When Aristotle begins his discussion of friendship, he introduces a notion that is central to his understanding of this phenomenon: a genuine friend is someone who loves or likes another person for the sake of that other person. Wanting what is good for the sake of another he calls “good will” ( eunoia ), and friendship is reciprocal good will, provided that each recognizes the presence of this attitude in the other. Does such good will exist in all three kinds of friendship, or is it confined to relationships based on virtue? At first, Aristotle leaves open the first of these two possibilities. He says:

it is necessary that friends bear good will to each other and wish good things for each other, without this escaping their notice, because of one of the reasons mentioned. (1156a4–5)

The reasons mentioned are goodness, pleasure, and advantage; and so it seems that Aristotle is leaving room for the idea that in all three kinds of friendships, even those based on advantage and pleasure alone, the individuals wish each other well for the sake of the other.

But in fact, as Aristotle continues to develop his taxonomy, he does not choose to exploit this possibility. He speaks as though it is only in friendships based on character that one finds a desire to benefit the other person for the sake of the other person.

Those who wish good things to their friends for the sake of the latter are friends most of all, because they do so because of their friends themselves, and not coincidentally. (1156b9–11)

When one benefits someone not because of the kind of person he is, but only because of the advantages to oneself, then, Aristotle says, one is not a friend towards the other person, but only towards the profit that comes one’s way (1157a15–16).

In such statements as these, Aristotle comes rather close to saying that relationships based on profit or pleasure should not be called friendships at all. But he decides to stay close to common parlance and to use the term “friend” loosely. Friendships based on character are the ones in which each person benefits the other for the sake of other; and these are friendships most of all. Because each party benefits the other, it is advantageous to form such friendships. And since each enjoys the trust and companionship of the other, there is considerable pleasure in these relationships as well. Because these perfect friendships produce advantages and pleasures for each of the parties, there is some basis for going along with common usage and calling any relationship entered into for the sake of just one of these goods a friendship. Friendships based on advantage alone or pleasure alone deserve to be called friendships because in full-fledged friendships these two properties, advantage and pleasure, are present. It is striking that in the Ethics Aristotle never thinks of saying that the uniting factor in all friendships is the desire each friend has for the good of the other.

Aristotle does not raise questions about what it is to desire good for the sake of another person. He treats this as an easily understood phenomenon, and has no doubts about its existence. But it is also clear that he takes this motive to be compatible with a love of one’s own good and a desire for one’s own happiness. Someone who has practical wisdom will recognize that he needs friends and other resources in order to exercise his virtues over a long period of time. When he makes friends, and benefits friends he has made, he will be aware of the fact that such a relationship is good for him. And yet to have a friend is to want to benefit someone for that other person’s sake; it is not a merely self-interested strategy. Aristotle sees no difficulty here, and rightly so. For there is no reason why acts of friendship should not be undertaken partly for the good of one’s friend and partly for one’s own good. Acting for the sake of another does not in itself demand self-sacrifice. It requires caring about someone other than oneself, but does not demand some loss of care for oneself. For when we know how to benefit a friend for his sake, we exercise the ethical virtues, and this is precisely what our happiness consists in.

Aristotle makes it clear that the number of people with whom one can sustain the kind of relationship he calls a perfect friendship is quite small (IX.10). Even if one lived in a city populated entirely by perfectly virtuous citizens, the number with whom one could carry on a friendship of the perfect type would be at most a handful. For he thinks that this kind of friendship can exist only when one spends a great deal of time with the other person, participating in joint activities and engaging in mutually beneficial behavior; and one cannot cooperate on these close terms with every member of the political community. One may well ask why this kind of close friendship is necessary for happiness. If one lived in a community filled with good people, and cooperated on an occasional basis with each of them, in a spirit of good will and admiration, would that not provide sufficient scope for virtuous activity and a well-lived life? Admittedly, close friends are often in a better position to benefit each other than are fellow citizens, who generally have little knowledge of one’s individual circumstances. But this only shows that it is advantageous to be on the receiving end of a friend’s help. The more important question for Aristotle is why one needs to be on the giving end of this relationship. And obviously the answer cannot be that one needs to give in order to receive; that would turn active love for one’s friend into a mere means to the benefits received.

Aristotle attempts to answer this question in IX.11, but his treatment is disappointing. His fullest argument depends crucially on the notion that a friend is “another self”, someone, in other words, with whom one has a relationship very similar to the relationship one has with oneself. A virtuous person loves the recognition of himself as virtuous; to have a close friend is to possess yet another person, besides oneself, whose virtue one can recognize at extremely close quarters; and so, it must be desirable to have someone very much like oneself whose virtuous activity one can perceive. The argument is unconvincing because it does not explain why the perception of virtuous activity in fellow citizens would not be an adequate substitute for the perception of virtue in one’s friends.

Aristotle would be on stronger grounds if he could show that in the absence of close friends one would be severely restricted in the kinds of virtuous activities one could undertake. But he cannot present such an argument, because he does not believe it. He says that it is “finer and more godlike” to bring about the well being of a whole city than to sustain the happiness of just one person (1094b7–10). He refuses to regard private life—the realm of the household and the small circle of one’s friends—as the best or most favorable location for the exercise of virtue. He is convinced that the loss of this private sphere would greatly detract from a well-lived life, but he is hard put to explain why. He might have done better to focus on the benefits of being the object of a close friend’s solicitude. Just as property is ill cared for when it is owned by all, and just as a child would be poorly nurtured were he to receive no special parental care—points Aristotle makes in Politics II.2–5—so in the absence of friendship we would lose a benefit that could not be replaced by the care of the larger community. But Aristotle is not looking for a defense of this sort, because he conceives of friendship as lying primarily in activity rather than receptivity. It is difficult, within his framework, to show that virtuous activity towards a friend is a uniquely important good.

Since Aristotle thinks that the pursuit of one’s own happiness, properly understood, requires ethically virtuous activity and will therefore be of great value not only to one’s friends but to the larger political community as well, he argues that self-love is an entirely proper emotion—provided it is expressed in the love of virtue (IX.8). Self-love is rightly condemned when it consists in the pursuit of as large a share of external goods—particularly wealth and power—as one can acquire, because such self-love inevitably brings one into conflict with others and undermines the stability of the political community. It may be tempting to cast Aristotle’s defense of self-love into modern terms by calling him an egoist, and “egoism” is a broad enough term so that, properly defined, it can be made to fit Aristotle’s ethical outlook. If egoism is the thesis that one will always act rightly if one consults one’s self-interest, properly understood, then nothing would be amiss in identifying him as an egoist.

But egoism is sometimes understood in a stronger sense. Just as consequentialism is the thesis that one should maximize the general good, whatever the good turns out to be, so egoism can be defined as the parallel thesis that one should maximize one’s own good, whatever the good turns out to be. Egoism, in other words, can be treated as a purely formal thesis: it holds that whether the good is pleasure, or virtue, or the satisfaction of desires, one should not attempt to maximize the total amount of good in the world, but only one’s own. When egoism takes this abstract form, it is an expression of the idea that the claims of others are never worth attending to, unless in some way or other their good can be shown to serve one’s own. The only underived reason for action is self-interest; that an act helps another does not by itself provide a reason for performing it, unless some connection can be made between the good of that other and one’s own.

There is no reason to attribute this extreme form of egoism to Aristotle. On the contrary, his defense of self-love makes it clear that he is not willing to defend the bare idea that one ought to love oneself alone or above others; he defends self-love only when this emotion is tied to the correct theory of where one’s good lies, for it is only in this way that he can show that self-love need not be a destructive passion. He takes it for granted that self-love is properly condemned whenever it can be shown to be harmful to the community. It is praiseworthy only if it can be shown that a self-lover will be an admirable citizen. In making this assumption, Aristotle reveals that he thinks that the claims of other members of the community to proper treatment are intrinsically valid. This is precisely what a strong form of egoism cannot accept.

We should also keep in mind Aristotle’s statement in the Politics that the political community is prior to the individual citizen—just as the whole body is prior to any of its parts (1253a18–29). Aristotle makes use of this claim when he proposes that in the ideal community each child should receive the same education, and that the responsibility for providing such an education should be taken out of the hands of private individuals and made a matter of common concern (1337a21–7). No citizen, he says, belongs to himself; all belong to the city (1337a28–9). What he means is that when it comes to such matters as education, which affect the good of all, each individual should be guided by the collective decisions of the whole community. An individual citizen does not belong to himself, in the sense that it is not up to him alone to determine how he should act; he should subordinate his individual decision-making powers to those of the whole. The strong form of egoism we have been discussing cannot accept Aristotle’s doctrine of the priority of the city to the individual. It tells the individual that the good of others has, in itself, no valid claim on him, but that he should serve other members of the community only to the extent that he can connect their interests to his own. Such a doctrine leaves no room for the thought that the individual citizen does not belong to himself but to the whole.

In Book I Aristotle says that three kinds of lives are thought to be especially attractive: one is devoted to pleasure, a second to politics, and a third to knowledge and understanding (1095b17–19). In X.6–9 he returns to these three alternatives, and explores them more fully than he had in Book I. The life of pleasure is construed in Book I as a life devoted to physical pleasure, and is quickly dismissed because of its vulgarity. In X.6, Aristotle concedes that physical pleasures, and more generally, amusements of all sorts, are desirable in themselves, and therefore have some claim to be our ultimate end. But his discussion of happiness in Book X does not start from scratch; he builds on his thesis that pleasure cannot be our ultimate target, because what counts as pleasant must be judged by some standard other than pleasure itself, namely the judgment of the virtuous person. Amusements will not be absent from a happy life, since everyone needs relaxation, and amusements fill this need. But they play a subordinate role, because we seek relaxation in order to return to more important activities.

Aristotle turns therefore, in X.7–8, to the two remaining alternatives—politics and philosophy—and presents a series of arguments to show that the philosophical life, a life devoted to theoria (contemplation, study), is best. Theoria is not the process of learning that leads to understanding; that process is not a candidate for our ultimate end, because it is undertaken for the sake of a further goal. What Aristotle has in mind when he talks about theoria is the activity of someone who has already achieved theoretical wisdom. The happiest life is lived by someone who has a full understanding of the basic causal principles that govern the operation of the universe, and who has the resources needed for living a life devoted to the exercise of that understanding. Evidently Aristotle believes that his own life and that of his philosophical friends was the best available to a human being. He compares it to the life of a god: god thinks without interruption and endlessly, and a philosopher enjoys something similar for a limited period of time.

It may seem odd that after devoting so much attention to the practical virtues, Aristotle should conclude his treatise with the thesis that the best activity of the best life is not ethical. In fact, some scholars have held that X.7–8 are deeply at odds with the rest of the Ethics ; they take Aristotle to be saying that we should be prepared to act unethically, if need be, in order to devote ourselves as much as possible to contemplation. But it is difficult to believe that he intends to reverse himself so abruptly, and there are many indications that he intends the arguments of X.7–8 to be continuous with the themes he emphasizes throughout the rest of the Ethics . The best way to understand him is to take him to be assuming that one will need the ethical virtues in order to live the life of a philosopher, even though exercising those virtues is not the philosopher’s ultimate end. To be adequately equipped to live a life of thought and discussion, one will need practical wisdom, temperance, justice, and the other ethical virtues. To say that there is something better even than ethical activity, and that ethical activity promotes this higher goal, is entirely compatible with everything else that we find in the Ethics .

Although Aristotle’s principal goal in X.7–8 is to show the superiority of philosophy to politics, he does not deny that a political life is happy. Perfect happiness, he says, consists in contemplation; but he indicates that the life devoted to practical thought and ethical virtue is happy in a secondary way. He thinks of this second-best life as that of a political leader, because he assumes that the person who most fully exercises such qualities as justice and greatness of soul is the man who has the large resources needed to promote the common good of the city. The political life has a major defect, despite the fact that it consists in fully exercising the ethical virtues, because it is a life devoid of philosophical understanding and activity. Were someone to combine both careers, practicing politics at certain times and engaged in philosophical discussion at other times (as Plato’s philosopher-kings do), he would lead a life better than that of Aristotle’s politician, but worse than that of Aristotle’s philosopher.

But his complaint about the political life is not simply that it is devoid of philosophical activity. The points he makes against it reveal drawbacks inherent in ethical and political activity. Perhaps the most telling of these defects is that the life of the political leader is in a certain sense unleisurely (1177b4–15). What Aristotle has in mind when he makes this complaint is that ethical activities are remedial: they are needed when something has gone wrong, or threatens to do so. Courage, for example, is exercised in war, and war remedies an evil; it is not something we should wish for. Aristotle implies that all other political activities have the same feature, although perhaps to a smaller degree. Corrective justice would provide him with further evidence for his thesis—but what of justice in the distribution of goods? Perhaps Aristotle would reply that in existing political communities a virtuous person must accommodate himself to the least bad method of distribution, because, human nature being what it is, a certain amount of injustice must be tolerated. As the courageous person cannot be completely satisfied with his courageous action, no matter how much self-mastery it shows, because he is a peace-lover and not a killer, so the just person living in the real world must experience some degree of dissatisfaction with his attempts to give each person his due. The pleasures of exercising the ethical virtues are, in normal circumstances, mixed with pain. Unalloyed pleasure is available to us only when we remove ourselves from the all-too-human world and contemplate the rational order of the cosmos. No human life can consist solely in these pure pleasures; and in certain circumstances one may owe it to one’s community to forego a philosophical life and devote oneself to the good of the city. But the paradigms of human happiness are those people who are lucky enough to devote much of their time to the study of a world more orderly than the human world we inhabit.

Although Aristotle argues for the superiority of the philosophical life in X.7–8, he says in X.9, the final chapter of the Ethics , that his project is not yet complete, because we can make human beings virtuous, or good even to some small degree, only if we undertake a study of the art of legislation. The final section of the Ethics is therefore intended as a prolegomenon to Aristotle’s political writings. We must investigate the kinds of political systems exhibited by existing Greek cities, the forces that destroy or preserve cities, and the best sort of political order. Although the study of virtue Aristotle has just completed is meant to be helpful to all human beings who have been brought up well—even those who have no intention of pursuing a political career—it is also designed to serve a larger purpose. Human beings cannot achieve happiness, or even something that approximates happiness, unless they live in communities that foster good habits and provide the basic equipment of a well-lived life.

The study of the human good has therefore led to two conclusions: The best life is not to be found in the practice of politics. But the well being of whole communities depends on the willingness of some to lead a second-best life—a life devoted to the study and practice of the art of politics, and to the expression of those qualities of thought and passion that exhibit our rational self-mastery.

• appearances: phainomena
• beautiful: kalon
• clear: saphes
• complete (verb, also: to perfect): telein
• condition: hexis
• continence (literally: mastery): enkrateia
• continent: enkratês
• disposition: hexis
• emotion: pathos
• evil: kakos , phaulos
• excellence: aretê
• feeling: pathos
• fine: kalon
• flourishing: eudaimonia
• friendship: philia ; philein (the verb cognate to the noun “ philia ”, can sometimes be translated “like” or even “love”)
• function: ergon
• good will: eunoia
• happiness: eudaimonia
• happy: eudaimon
• impetuosity: propeteia
• incontinence (literally: lack of mastery): akrasia
• incontinent: akratês
• intuitive understanding: nous
• live well: eu zên
• practical wisdom: phronêsis
• science: epistêmê
• standard: horos
• state: hexis
• task: ergon
• virtue: aretê
• weakness: astheneia
• work: ergon

Further Reading

Broadie 1991; Bostock 2000; Burger 2008; Gauthier & Jolif 1958–59; Hall 2019; Hardie 1980; Pakaluk 2005; Price 2011; Reeve 2012a; Urmson 1987.

Anton & Preus (eds.) 1991; Barnes, Schofield, & Sorabji (eds.) 1977; Bartlett & Collins (eds.) 1999; Engstrom & Whiting (eds.) 1996; Heinaman (ed.) 1995; Kraut (ed.) 2006b; Miller (ed.) 2011; Natali (ed.) 2009; Pakaluk & Pearson (eds.) 2010; Polansky (ed.) 2014; Roche (ed.) 1988c; Rorty (ed.) 1980; Sherman (ed.) 1999; Sim (ed.) 1995.

C. Studies of Particular Topics

Kenny 1978, 1979, 1992; Rowe 1971.

Barnes 1980; Berryman 2019; J.M. Cooper 1999 (ch. 12); Frede 2012; Heinaman (ed.) 1995; Irwin 1988b; Karbowski 2014b, 2015a, 2015b, 2019; Kontos 2011; Kraut 1998; McDowell 1995; Nussbaum 1985, 1986 (chs 8–9); Reeve 1992 (ch. 1), 2012b; Roche 1988b, 1992; Scott 2015; Segvic 2002; Shields 2012a; Zingano 2007b.

Annas 1993 (ch. 18); Barney 2008; Broadie 2005, 2007a; Charles 1999; Clark 1975 (14–27, 145–63); J.M. Cooper 1986 (chs 1, 3), 1999 (chs 9, 13); Curzer 1991; Gadamer 1986; Gerson 2004; Gomez-Lobo 1989; Heinaman 2002, 2007; Irwin 2012; Keyt 1978; Korsgaard 1986a, 1986b; Kraut 1979a, 1979b, 1989, 2002 (ch. 3); Lawrence 1993, 1997, 2001; G.R. Lear 2000; J. Lear 2000; MacDonald 1989; Natali 2010; Nussbaum 1986 (chs 11, 12); Purinton 1998; Reeve 1992 (chs 3, 4); Roche 1988a; Santas 2001 (chs 6–7); Scott 1999, 2000; Segvic 2004; Suits 1974; Van Cleemput 2006; Wedin 1981; N. White 2002, 2006; S. White 1992; Whiting 1986, 1988; Wielenberg 2004; Williams 1985 (ch. 3).

Brickhouse 2003; Brown 1997; Brunschwig 1996; Clark 1975 (84–97); N. Cooper 1989; Curzer 1990, 1995, 1996, 1997, 2005, 2012; Di Muzio 2000; Gardiner 2001; Gottlieb 1991, 1994a, 1994b, 1996, 2009; Halper 1999; Hardie 1978; Hursthouse 1988; Hutchinson 1986; Irwin 1988a; Jimenez 2020; Kraut 2002 (ch. 4), 2012, 2013; Leunissen 2012, 2013, 2017; Lorenz 2009; McKerlie 2001; Pakaluk 2004; Pearson 2006, 2007; Peterson 1988; Russell 2012a; Santas 2001 (ch. 8); Scaltsas 1995; Schütrumpf 1989; Sherman 1989, 1997; Sim 2007; Taylor 2004; Telfer 1989–90; Tuozzo 1995; Whiting 1996; Young 1988; Yu 2007.

Broadie 1998; Charles 1984, 2007; Coope 2012; J. Cooper 1986 (ch. 1), 1999 (chs 10, 11, 19); Dahl 1984; Destrée 2007; Engberg-Pedersen 1983; Fortenbaugh 1975; Gottlieb, 2021; Gröngross 2007; Hursthouse 1984; Kontos 2018; Kontos 2021; Kraut 2006a; Lorenz 2006; McDowell 1996a, 1996b, 1998; McKerlie 1998; Meyer 1993; Milo 1966; Moss 2011, 2012; Natali (ed.) 2009; Nussbaum 1986 (ch. 10); Olfert 2017; Pakaluk & Pearson (eds.) 2010; Pickavé & Whiting 2008; Politis 1998; Reeve 1992 (ch. 2), 2013; Segvic 2009a; Sherman 2000; Taylor 2003b; Walsh 1963; Zingano 2007a.

Gosling &Taylor 1982 (chs 11–17); Gottlieb 1993; Natali (ed.) 2009; Owen 1971; Pearson 2012; Rorty 1974; Taylor 2003a, 2003b; Urmson 1967; Warren 2009; Wolfsdorf 2013 (ch. 6).

Annas 1977, 1993 (ch. 12); Brewer 2005; J.M. Cooper 1999 (chs 14, 15); Hitz 2011; Kahn 1981; Milgram 1987; Nehamas 2010; Pakaluk 1998; Pangle 2003; Price 1989 (chs 4–7); Rogers 1994; Schollmeier 1994; Sherman 1987; Stern-Gillet 1995; Walker 2014; Whiting 1991.

Freeland 1998; Karbowski 2014a; Modrak 1994; Ward (ed.) 1996.

Bielskis 2020; Broadie 2006; Chappell (ed.) 2006; Garver 2006; Gill (ed.) 2005; Kraut 2018; LeBar 2013; MacIntyre 1999; Peters 2014; Russell 2012b; Stohr 2003, 2009; Wiggins 2009.

Lockwood 2005.

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• Athenian Constitution , ed. Kenyon. (Greek)
• Athenian Constitution , ed. H. Rackham. (English)
• Economics , (Greek)
• Economics , (English)
• Eudemian Ethics , (Greek)
• Eudemian Ethics , (English)
• Metaphysics , (Greek)
• Metaphysics , (English)
• Nicomachean Ethics , ed. J. Bywater. (Greek)
• Nicomachean Ethics , ed. H. Rackham. (English)
• Poetics , (English)
• Politics , (Greek)
• Politics , (English)
• Rhetoric , ed. W. D. Ross. (Greek)
• Rhetoric , ed. J. H. Freese. (English)
• Virtues and Vices , ed. I. Bekker. (Greek)
• Virtues and Vices , ed. H. Rackham. (English)
• Nikomachische Ethik , in German, translated by Eugen Rolfes, Leipzig: F. Meiner, 1911, at the Projekt Gutenberg-DE

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