Foot's Natural Goodness: Grounding Virtue in Human Nature

Michael BrenndoerferUpdated September 15, 202514 min read

Philippa Foot's 2001 account of moral goodness as natural goodness, examining human needs, practical rationality, and goodness of will.

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Part 1 of 12The Good Life
Chapter 13Human nature and goodness › What makes an evaluation natural?
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Consider a promise to meet a friend who needs help. You made it freely, the friend has arranged the afternoon around it, and keeping it has become inconvenient. Saying that you no longer feel like going leaves something unexplained: why should a change in desire cancel the reason supplied by your commitment? Philippa Foot's Natural Goodness asks how moral reasons can have authority without depending on whichever preferences a person happens to have.

Published in 2001, the book develops an account of moral evaluation through the lives and needs of human beings. Foot calls attention to judgments we already make about living things: whether their characteristics enable them to live well as creatures of their kind. Her proposal is that evaluating a human will belongs within this wider family of judgments. Understanding that proposal requires care. Calling dishonesty a defect of will does not mean that illness is a moral failing, or that whatever occurs in nature deserves approval.

What makes an evaluation natural?

A knife can be good for cutting bread and bad for spreading butter. Such assessments depend on a use someone wants to make of it. In assessing a living thing, we can also ask questions about its own life. A plant's condition need not be judged only by whether it pleases a gardener or produces a profitable crop. We can ask whether it is obtaining what it needs to grow and sustain itself.

This is the distinction behind Foot's natural goodness. The relevant standard belongs to an account of how that living thing lives. It is not supplied entirely by an observer's project. Someone who dislikes a particular plant could still recognize that it is healthy. Someone who loves it could acknowledge that it is failing to obtain the nourishment it needs.

The examples here illustrate the structure of Foot's proposal. They do not identify a universal botanical test. Which conditions help a plant depends on the kind of plant and its circumstances. More of an apparently useful trait is not automatically better. An account of natural goodness needs an account of the role a characteristic plays, rather than an isolated preference for size, strength, or speed.

A standard is not a head count

Suppose a garden has many plants suffering from a shortage of water. Their poor condition does not become good merely because it is common in that garden. Conversely, an unusual individual does not become defective merely because it differs from its neighbors. Frequency and evaluation answer different questions.

The point matters when moving to human life. A survey could show that a certain dishonest practice is common. That result would not by itself show that dishonesty is good for human beings. An account of what people often do is not yet an account of what they need or what makes their conduct good.

Foot's naturalism therefore calls for more than collecting behavioral regularities. The question concerns the connection between a characteristic and the life in which it has a place. This also creates a burden for the argument: the writer cannot simply call a favored habit natural and regard its value as established. The account must explain why the habit matters.

This distinction leaves room for criticism of convention. An established arrangement can be familiar and still frustrate human needs. Describing an arrangement's long history does not show that the people living under it are treated well. Natural evaluation, as Foot conceives it, is meant to supply a basis for examining such arrangements, rather than a reason to approve everything inherited.

Why begin with plants and animals?

The book's second chapter develops natural norms in plants and animals; the third turns to human beings. Beginning outside morality makes it possible to inspect a form of evaluation without immediately taking sides in a dispute about a particular moral rule. We can first ask how a characteristic can be good or defective relative to a life.

This sequence does not make the human conclusion automatic. Even if we accept an account of good roots or effective animal behavior, we still need an account of what is distinctive about human action. A description that leaves out deliberation would miss the feature that makes the evaluation of a will possible.

Foot's later essay "Rationality and Goodness" makes this qualification especially clear. She treats human flourishing as including a person's understanding of life and capacity to act on reasons. She explicitly distinguishes it from a description confined to growth, survival, and reproduction. The essay helps clarify why the move from other living things to human beings is a philosophical argument, rather than a recommendation to copy animal behavior.

The continuity is a continuity in the structure of evaluation. What is evaluated changes. A human agent can understand a consideration, recognize a claim, and still act badly. Explaining such a failure requires attention to intention and judgment, not just to physical performance.

Goodness of will

Foot's central moral concern is goodness of will. A person's will concerns what they choose, the ends they pursue, and the considerations to which they respond. This is different from possessing an effective body, a successful career, or an ability that others admire.

Imagine two people who return borrowed equipment. One returns it because the owner needs it and the agreed time has arrived. The other returns it only after discovering that the equipment can be tracked. The outward result is similar, but the explanation of the action differs. An account of character can ask whether the person recognizes another's claim, rather than looking only at the completed return.

This is an illustration of the kind of question Foot's approach makes available. It does not establish a complete verdict about either person's character from a single act. Someone can misunderstand an agreement, overlook a relevant fact, or act from several motives. Those differences matter to evaluating the will.

It would consequently be a serious mistake to identify moral goodness with being an impressive specimen. An injury can restrict what a person can physically do without making their choices dishonest or unjust. The question of moral defect concerns the relevant exercise of will. A comparison between forms of evaluation does not erase distinctions among their objects.

The place of practical rationality

Practical rationality concerns reasoning about what to do. One account might begin by treating a person's desires as given and asking which means serve them. That kind of reasoning can explain why someone takes a train rather than walks when they want to arrive sooner. It leaves a further question: are all the ends the person pursues equally defensible?

Foot challenges the assumption that reasons must ultimately derive from self-interest or an independently given desire. Her account tries to place concern for others within practical rationality itself. On that view, recognizing another person's need need not be an irrational interruption of otherwise sensible self-seeking.

The difference can be seen in the promise example. If the only relevant question were whether the meeting satisfied a present preference, losing that preference would appear to remove the reason to attend. But the friend relied on a commitment. The question is whether that fact supplies a reason the promisor should recognize even when another activity would be more enjoyable.

Foot's account answers by asking what practices such as promising do in human life and what it takes to participate in them well. That does not settle every conflict involving a promise. A serious emergency can change what someone should do. It does challenge the idea that the promisor's current appetite is the sole source of rational authority.

Why human dependence matters

Human beings live with needs they cannot always meet alone. The philosophical importance of that observation is not that every request must be granted. It is that an account of human good has to consider relationships in which help, trust, and reliable cooperation matter.

Consider a person recovering from an injury who depends on a friend for shopping. The friend has agreed to help, but could spend the afternoon on something more entertaining. We can distinguish the recipient's actual need from the helper's preferences. We can also distinguish an unreasonable demand from a claim that arises within a real undertaking.

The example supplies questions for deliberation. What was agreed? What can the helper reasonably do? Is there another way to meet the need? Has the recipient been given enough notice to make arrangements? Calling helpfulness a virtue does not remove these questions. It directs attention to why responding to another person can matter in the first place.

The same caution applies to trust. A relationship does not become good merely because it is stable. It could be stable because one person cannot safely object. An account grounded in human good must examine the character of the relationship, including whether the expectations within it are defensible. Dependence is a reason to think carefully about obligations, not a blanket justification of authority.

Virtue and the reasons a person sees

A virtue is more than an efficient technique. Someone could become very effective at manipulating a friend's dependence while failing to treat the friend justly. Skill describes how well a person carries something out; evaluation of the will asks what they are doing and why it deserves pursuit.

In Foot's approach, virtues belong to an account of the considerations a person should recognize. Truthfulness matters where another person is entitled to an honest account. Courage matters where fear threatens a justified commitment. These connections require attention to the circumstances: neither indiscriminate disclosure nor reckless risk-taking becomes good simply by being given a virtue's name.

Imagine a person admitting a mistake that has inconvenienced someone else. The admission might cost standing or comfort. An instrumental calculation could ask whether concealment would be detected. A moral assessment also asks what the affected person is owed and whether the agent is willing to acknowledge the facts.

This is why the framework cannot be reduced to advice about getting ahead. A virtue may help sustain a relationship without guaranteeing an advantage to its possessor on every occasion. The question is whether the action responds well to the reasons present, not whether the agent can always secure a reward for doing it.

Does goodness guarantee happiness?

The relationship between goodness and happiness is a separate problem, and Foot devotes a chapter to it. If moral goodness is connected with human flourishing, it can be tempting to conclude that a good person must enjoy a happier or safer life. That conclusion would need further argument.

A person can act honestly and lose something valuable. Another can act dishonestly and escape the consequences. These possibilities do not, by themselves, show that honesty lacks value. They show why its justification cannot rest on an assurance that every honest action will pay.

Foot's later discussion of rationality takes the difficulty seriously by considering costly moral action. She asks whether an action can be rational even when it goes against the agent's immediate self-interest. That question would have little force if moral conduct simply guaranteed personal benefit.

For a reader, it helps to distinguish several claims: that a virtue has a place in human good; that possessing it contributes to living well; and that exercising it guarantees a desirable outcome in a particular situation. The last is much stronger. Neither the plant analogy nor the language of flourishing establishes it automatically. Keeping these claims separate prevents a philosophical account of virtue from turning into an unsupported promise of wellbeing.

What has happened to the gap between facts and values?

Foot wants to challenge an account of evaluation that separates it entirely from facts about living things. The strategy is to examine descriptions whose intelligibility already involves a creature's needs and characteristic activities. She is not offering the bare inference that something happens in nature, so it ought to happen.

The difference can be expressed without relying on a slogan about "is" and "ought." Observing that many people abandon commitments establishes a fact about conduct. Explaining why reliable commitments are needed for a form of shared activity introduces a different kind of consideration. The second explanation concerns the activity's requirements and the people whose lives depend on them.

A critic can still ask whether the proposed account of human needs is correct and whether it supports the moral conclusion. Those are substantive questions. Labeling the account naturalistic does not answer them; neither does treating all reference to human nature as an obvious fallacy.

The argument therefore shifts some of the work into specifying human good. Which needs have been identified? Whose experience has been included? How does the proposed virtue address those needs? A convincing answer has to develop these connections. It cannot acquire authority merely through the word "natural."

Questions the account must answer

One concern is variation within human life. People differ in abilities, circumstances, and worthwhile projects. A general account of human good must leave room for these differences without treating every individual choice as beyond criticism. The demanding question is how much common ground can support evaluation without imposing one narrow life on everyone.

A second concern is disagreement about what a need requires. People can agree that trust matters while disagreeing about a particular disclosure. They can agree that care matters while disagreeing about its limits. Natural goodness supplies an approach to these disputes, but naming a general good does not determine every application.

A third concern is the possibility of reasoning in a circle. If we identify human flourishing through the virtues, and defend the virtues only by calling them necessary for flourishing, a reader may reasonably ask what has been explained. An adequate defense needs developed accounts of the activities and relationships involved. It should show why the proposed characteristic belongs there.

These are tests of the account offered here, rather than a report that Foot gives a mechanical answer to every objection. They preserve the difference between explaining what her position proposes and deciding that it has succeeded. The attraction of her approach is the possibility of reasoning about moral evaluation through human life. Its difficulty is making that account sufficiently specific and defensible.

Reading the book's argument

The book's sequence provides a useful route through these questions. Read the opening discussion of subjectivism alongside the account of natural norms, then attend closely to the transition to human beings. The transition carries the central burden: an account adequate for plants or animals must be developed to accommodate reasons, choice, and the evaluation of will.

The chapters on practical rationality and human goodness then ask how moral considerations belong within reasoning about action. The discussion of happiness examines the connection between goodness and happiness. The final treatment of immoralism examines a challenge to the moral outlook itself.

When applying the account, choose a particular judgment and state the connection it claims. If honesty is at issue, identify who needs an accurate account and why. If courage is at issue, identify the good for which a risk might be justified. Then consider whether the account has overlooked another person's claim or an important limitation.

Foot's proposal gives those questions a common direction. Moral evaluation should become intelligible through the lives of the beings whose will it evaluates. Following that direction requires argument about human good, and a willingness to revise an attractive moral description when the life it is supposed to explain does not support it.

Further reading

  • Philippa Foot, Natural Goodness (2001). Chapters 2 and 3 develop the transition from natural norms to human beings; chapters 4 to 6 examine rationality, goodness, and happiness.
  • Philippa Foot, "Rationality and Goodness" (2004; reprinted in Moral Philosophy, 2022). This later essay clarifies the role of human flourishing and reasons. It should be distinguished from the earlier book.
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BIBTEXAcademic
@misc{brenndoerfer2025foots, author = {Michael Brenndoerfer}, title = {Foot's Natural Goodness: Grounding Virtue in Human Nature}, year = {2025}, url = {https://mbrenndoerfer.com/writing/foot-natural-goodness-virtue-ethics-human-nature-guide}, organization = {mbrenndoerfer.com}, note = {Accessed: 2026-11-01} }
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Michael Brenndoerfer (2025). Foot's Natural Goodness: Grounding Virtue in Human Nature. Retrieved from https://mbrenndoerfer.com/writing/foot-natural-goodness-virtue-ethics-human-nature-guide
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Michael Brenndoerfer. "Foot's Natural Goodness: Grounding Virtue in Human Nature." 2026. Web. November 1, 2026. <https://mbrenndoerfer.com/writing/foot-natural-goodness-virtue-ethics-human-nature-guide>.
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Michael Brenndoerfer. "Foot's Natural Goodness: Grounding Virtue in Human Nature." Accessed November 1, 2026. https://mbrenndoerfer.com/writing/foot-natural-goodness-virtue-ethics-human-nature-guide.
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