Virtue as Habituated Action

The Quote

"We become just by doing just acts, temperate by doing temperate acts, brave by doing brave acts."

— Aristotle, Nicomachean Ethics, Book II, 1105a

Original language: Greek

Historical Context

The Nicomachean Ethics, compiled from Aristotle's lectures at the Lyceum around 350 BCE, is the founding text of virtue ethics. Book II is devoted to the nature and acquisition of moral virtue (ethikē aretē), and it contains some of the most influential arguments in the history of moral philosophy. Aristotle opens the book by distinguishing intellectual virtues — which arise from teaching — from moral virtues, which arise from habit (ethos). The Greek ethikē (ethical) is itself derived from ethos (habit), and Aristotle exploits this etymology to press his central claim: moral virtue is not innate but acquired through the repeated performance of the corresponding actions.

The passage at 1105a comes after Aristotle has established the analogy between virtue and craft (technē). Just as people become good builders by building and good harpists by playing the harp, so people become just by doing just things, temperate by acting temperately, and brave by acting bravely. This sounds straightforward, but Aristotle immediately complicates it: it is not enough merely to perform the outward action. To acquire virtue, one must perform the action in the right way — knowing what one is doing, choosing it for its own sake, and acting from a firm and unchanging disposition. The passage thus stands at the threshold of Aristotle's subtle account of the conditions under which action builds character rather than merely producing external results.

The historical context of Aristotle's argument is the Greek tradition of paideia, the formation of character through education and practice. Against both the Platonic view that virtue is a kind of knowledge that can be taught and the sophistic view that virtue is a convention or a technique of persuasion, Aristotle insists that moral excellence is a matter of trained disposition. This position reflects the practical orientation of the Lyceum, which treated ethics as continuous with politics: the lawgiver's task is to habituate citizens to virtuous action through laws and institutions, so that they become the kind of people who do the right thing readily and with pleasure.

Meaning

Aristotle's statement asserts a causal connection between action and character: performing just actions makes one just, performing temperate actions makes one temperate, performing brave actions makes one brave. The structure is the same in each case — we acquire a virtue by exercising it, just as we acquire a skill by practicing it. The Greek verbs are in the present tense, suggesting an ongoing process: becoming (ginesthai) just is a matter of continually doing (prattein) just acts. Virtue is not a state one receives complete but a condition one builds through sustained practice.

The three virtues Aristotle names — justice (dikaiosynē), temperance (sōphrosynē), and bravery (andreia) — are paradigmatic moral virtues, each governing a distinct sphere of action. Justice concerns our dealings with others; temperance concerns the moderation of bodily pleasures; bravery concerns the facing of fearsome dangers. By ranging across these different domains, Aristotle signals that the principle of habituation is general: every moral virtue, whatever its sphere, is acquired in the same way — by repeated practice of the corresponding action until the disposition becomes stable.

The force of the claim depends on a crucial distinction that Aristotle draws immediately after this passage (1105a28-b5): there is a difference between merely performing a just act and acting justly in the full sense. One can return a deposit, for instance, without being a just person — perhaps one is forced, or hopes for reward, or acts in ignorance. To count as the exercise of virtue, the action must meet several conditions: the agent must know what he is doing, he must choose the action for its own sake (prohairesis), and he must act from a firm and settled disposition (bebaiōs kai ametaptistōs). It is the repeated performance of actions meeting these conditions that builds the stable character trait, the hexis, which is virtue. Mely going through the motions, without the right knowledge, choice, and disposition, does not produce virtue.

Philosophical Interpretation

The passage at 1105a articulates the core of Aristotle's moral psychology: the thesis that character is constituted by habituated action. This position distinguishes Aristotle's ethics sharply from both intellectualist and voluntarist alternatives. Against the Socratic-Platonic identification of virtue with knowledge, Aristotle insists that knowing what is right is not sufficient for being virtuous; one must also have the trained disposition to do it readily and with pleasure. And against any view that locates virtue in the will considered independently of habit, Aristotle holds that the will itself is shaped by practice — we become people who choose well by repeatedly choosing well, until the choice becomes second nature. Virtue, on this account, is a "second nature" (heute physis): not innate, but so deeply ingrained through habituation that it functions as if it were natural.

This habituation thesis carries important implications for Aristotle's account of moral responsibility and education. If virtue is acquired through practice, then moral development depends decisively on the circumstances in which one is raised. This is why Aristotle insists, in both the Ethics and the Politics, that the legislator's first task is to provide the right upbringing — to habituate citizens through laws and customs to take pleasure in noble actions and pain in base ones. The young, Aristotle says, should not be lectured about ethics before they have been habituated, for they lack the experience of particular actions from which general principles derive their meaning. Moral education is therefore fundamentally formative rather than informative: it shapes the agent's desires and pleasures before it engages his reason, and only on this foundation can ethical theory later be understood.

The requirement that virtuous action be chosen "for its own sake" (di' auto) reveals the depth of Aristotle's account. The genuinely virtuous person does not perform just acts instrumentally, as a means to reputation or reward, but because he recognizes them as noble (kalon) and choiceworthy in themselves. This means that habituation must eventually transform the agent's motives, not merely his behavior. At first, the learner may act justly from external compulsion or the desire for approval; through repeated practice, guided by right reason, the agent internalizes the value of the action and comes to choose it for its own sake. The transition from external conformity to internal endorsement is the maturation of virtue, and it explains why Aristotle distinguishes the merely continent person (who restrains bad desires by reason) from the genuinely virtuous person (whose desires are themselves rightly ordered).

The doctrine that virtue is acquired through habituated action has proved one of the most fertile ideas in the history of ethics. It underwrites the Aristotelian conviction, revived in modern virtue ethics by Anscombe, MacIntyre, and Foot, that the central question of morality is not "What should I do?" but "What kind of person should I become?" — a question answered by reference to the formation of character through practice. The thesis has also shaped empirical psychology: the emphasis on habit as the basis of character anticipates contemporary research on the role of repeated behavior in shaping dispositions, and the recognition that moral education must form the emotions and desires, not merely the intellect, resonates with modern developmental psychology and with debates about the role of habit in moral formation. The passage at 1105a thus articulates a conception of virtue as a craft of the self — a discipline by which we build, through the patient repetition of right action, the stable and rightly ordered soul that is the condition of human flourishing. In an age that often treats morality as a matter of rules or calculations, Aristotle's insistence that we become good by doing good remains a powerful and challenging ideal.

Related Concepts

• wisdom-virtue: The quote presents moral virtue as a habituated disposition acquired through repeated practice, holding that we become virtuous by performing the actions that a virtuous person would perform.
• wisdom-discipline: Aristotle grounds the formation of character in the disciplined repetition of right action, making moral development a matter of sustained habituation rather than mere knowledge or intention.

Related Learning

• Explore the Nicomachean Ethics archive entry for the broader textual context of this passage.
• The Greek Philosophy page situates this concept within the tradition's core ideas.

Sources

1. Aristotle. Nicomachean Ethics. Translated by Terence Irwin. Indianapolis: Hackett, 2019. Book II, 1105a.
2. "Aristotle's Ethics." Stanford Encyclopedia of Philosophy. https://plato.stanford.edu/entries/aristotle-ethics/