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Justice

Justice is the practice and ideal of giving due regard to other people, fair terms of shared life, and the claims that actions and institutions must answer to.

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Definition

Justice is the practice and ideal of giving due regard to other people, fair terms of shared life, and the claims that actions and institutions must answer to.

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Key thinkers

Immanuel Kant · John Rawls

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Core meaning

Understanding Justice

Definition

Justice is the practice and ideal of giving due regard to other people, fair terms of shared life, and the claims that actions and institutions must answer to.

Historical understanding

Read the historical views in the archive text below.

Modern interpretation

Apply the concept with context, proportion, and attention to its philosophical sources.

Practical wisdom

Use justice as a practice of justice · greek-philosophy · virtue · plato · aristotle · practical-wisdom: return to the definition, examine the situation, and choose a proportionate next action.

Great thinkers

Quotation archive

Quotes About This Concept

Among the essential features of this situation is that no one knows his place in society, his class position or social status, nor does anyone know his fortune in the distribution of natural assets and abilities, his intelligence, strength, and the like. The principles of justice are chosen behind a veil of ignorance.
John Rawls·A Theory of Justice
Justice is the first virtue of social institutions, as truth is of systems of thought. A theory however elegant and economical must be rejected or revised if it is untrue; likewise laws and institutions no matter how efficient and well-arranged must be reformed or abolished if they are unjust.
John Rawls·A Theory of Justice
Technology is not a destiny but a scene of struggle.
Andrew Feenberg·Questioning Technology
The division of labor can be effected only among members of an already constituted society.
Emile Durkheim·The Division of Labor in Society
Rights are trumps.
Ronald Dworkin
Epistemic injustice is done to someone in their capacity as a knower.
Miranda Fricker·Epistemic Injustice
Hermeneutical injustice comes about when there is a gap in collective interpretive resources.
Miranda Fricker·Epistemic Injustice
Feminist epistemology questions the very standards by which knowledge claims are evaluated.
Sandra Harding·Feminism and Methodology
The union of primary and secondary rules is at the center of a legal system.
H. L. A. Hart·The Concept of Law
The aim of the law is not to abolish or restrain, but to preserve and enlarge freedom.
F.A. Hayek
Injustice anywhere is a threat to justice everywhere. We are caught in an inescapable network of mutuality, tied in a single garment of destiny. Whatever affects one directly, affects all indirectly.
Martin Luther King Jr.·Letter from Birmingham Jail
An overlapping consensus is a consensus in which the same political conception of justice is affirmed by the opposing religious, philosophical, and moral doctrines.
John Rawls·Political Liberalism
Justice is not only about the right way to distribute things. It is also about the right way to value things.
Michael Sandel
Development can be seen as a process of expanding the real freedoms that people enjoy.
Amartya Sen
The discovery of natural right is the emergence of philosophy.
Leo Strauss·Natural Right and History
The aim of political egalitarianism is a society free from domination.
Michael Walzer
It is the greatest happiness of the greatest number that is the measure of right and wrong.
Jeremy Bentham·A Fragment on Government
Individuals have rights, and there are things no person or group may do to them without violating those rights.
Robert Nozick·Anarchy, State, and Utopia
Speciesism — a prejudice or attitude of bias in favor of the interests of members of one's own species and against those of members of other species.
Peter Singer·Animal Liberation
I do not wish women to have power over men; but over themselves.
Mary Wollstonecraft·A Vindication of the Rights of Woman
Labor is the activity which corresponds to the biological process of the human body; work is the activity which corresponds to the unnaturalness of human existence; action, the only activity that goes on directly between men without the intermediary of things or matter, corresponds to the human condition of plurality.
Hannah Arendt
The right to have rights... means to live in a framework where one is judged by one's actions and opinions.
Hannah Arendt
Man is by nature a political animal.
Aristotle·Politics
Hence it is evident that the state is a creation of nature, and that man is by nature a political animal. And he who by nature and not by mere accident is without a state is either a bad man or above humanity.
Aristotle
I am normally said to be free to the degree to which no man or body of men interferes with my activity. Political liberty in this sense is simply the area within which a man can act unobstructed by others.
Isaiah Berlin
Society is indeed a contract... It is a partnership in all science; a partnership in all art; a partnership in every virtue and in all perfection. As the ends of such a partnership cannot be obtained in many generations, it becomes a partnership not only between those who are living, but between those who are living, those who are dead, and those who are to be born.
Edmund Burke
Society is indeed a contract... but the state ought not to be considered as nothing better than a partnership agreement in a trade of pepper and coffee... It is a partnership in all science; a partnership in all art; a partnership in every virtue and in all perfection.
Edmund Burke
After the Egyptian and Indian, the Greek and Roman, the Teuton and Mongolian, the Negro is a sort of seventh son, born with a veil, and gifted with second-sight in this American world, — a world which yields him no true self-consciousness, but only lets him see himself through the revelation of the other world. It is a peculiar sensation, this double-consciousness, this sense of always looking at one's self through the eyes of others, of measuring one's soul by the tape of a world that looks on in amused contempt and pity.
W.E.B. Du Bois
National liberation, national renaissance, the restoration of nationhood to the people, commonwealth: whatever the name used, decolonization is always a violent phenomenon.
Frantz Fanon
The concept of communicative action refers to the interaction of at least two subjects capable of speech and action who establish interpersonal relations. The actors seek to reach an understanding about the action situation and their plans of action in order to coordinate their actions by way of agreement.
Jurgen Habermas
For by art is created that great Leviathan called a Commonwealth or State, which is but an artificial man.
Thomas Hobbes
The arc of the moral universe is long, but it bends toward justice.
Martin Luther King Jr.
Injustice anywhere is a threat to justice everywhere. We are caught in an inescapable network of mutuality, tied in a single garment of destiny.
Martin Luther King Jr.
The consent of the people is the only foundation of all lawful government.
John Locke
The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind... that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
John Locke
In the actions of all men, and especially of princes, where there is no court to appeal to, one looks to the end.
Niccolò Machiavelli·The Prince
The workers have nothing to lose but their chains. They have a world to win. Workers of the world, unite!
Karl Marx and Friedrich Engels·The Communist Manifesto
The proletarians have nothing to lose but their chains. They have a world to win. Working men of all countries, unite!
Karl Marx and Friedrich Engels
The tyranny of the majority is now generally included among the evils against which society requires to be on its guard. Like other tyrannies, the tyranny of the majority was at first, and is still vulgarly, held in dread, chiefly as operating through the acts of the public authorities. But reflecting persons perceived that when society is itself the tyrant — society collectively, over the separate individuals who compose it — its means of tyrannizing are not restricted to the acts which it may do through the hands of its political functionaries.
John Stuart Mill
The tyranny of the majority is now generally included among the evils against which society requires to be on its guard.
John Stuart Mill·On Liberty
Society in every state is a blessing, but government even in its best state is but a necessary evil; in its worst state an intolerable one.
Thomas Paine
The Orient was almost a European invention, and had been since antiquity a place of romance, exotic beings, haunting memories and landscapes, remarkable experiences.
Edward Said
We suppose ourselves the spectators of our own behaviour.
Adam Smith·The Theory of Moral Sentiments
The only purpose for which power can be rightfully exercised over any member of a civilized community, against his will, is to prevent harm to others.
John Stuart Mill·On Liberty
Natural rights is simple nonsense: natural and imprescriptible rights, rhetorical nonsense, nonsense upon stilts.
Jeremy Bentham·Anarchical Fallacies
True law is right reason in agreement with nature; it is of universal application, unchanging and everlasting; it summons to duty by its commands and averts from wrongdoing by its prohibitions.
Cicero·De Re Publica (On the Republic)
The commonwealth is the property of the people: the people is the multitude bound together by the agreement on what is right and the community of interest — and the republic that has lost the justice has lost the name.
Cicero·De Re Publica (On the Republic)
Though the earth, and all inferior creatures, be common to all men, yet every man has a property in his own person: this no body has any right to but himself. The labour of his body, and the work of his hands, we may say, are properly his. Whatsoever then he removes out of the state that nature hath provided, and left it in, he hath mixed his labour with, and joined to it something that is his own, and thereby makes it his property.
John Locke·Two Treatises of Government
Act always for the common good: what benefits the hive benefits the bee, and the person who serves the whole is served by the whole.
Marcus Aurelius·Meditations
Women have received from the gods the same reasoning power as men: the virtues are the same, and the philosophy that trains the reason belongs to them equally. The person who would be wise must learn, whether man or woman.
Musonius Rufus·That Women Too Should Study Philosophy (Lecture 3)
Obedience to a law which we prescribe to ourselves is liberty.
Jean-Jacques Rousseau·The Social Contract
In the capabilities approach, the central question asked by the political philosopher is not, "How satisfied is this woman?" or "How much in the way of resources is she able to command?" but "What is she actually able to do and to be?"
Martha Nussbaum·Creating Capabilities: The Human Development Approach
If we accept that our own interests count, and we can find no non-arbitrary reason for denying that the interests of others count equally, reason pushes us toward a more universal standpoint, one that takes into account the interests of all those affected by our actions.
Peter Singer·The Expanding Circle: Ethics, Evolution, and Moral Progress
From each according to his ability, to each according to his needs.
Karl Marx·Critique of the Gotha Programme
The care of souls cannot belong to the civil magistrate, because his power consists only in outward force; but true and saving religion consists in the inward persuasion of the mind.
John Locke·A Letter Concerning Toleration
Until philosophers rule as kings or those who are now called kings and leading men genuinely and adequately philosophize, that is, until political power and philosophy entirely coincide... cities will have no rest from evils.
Plato·Republic
Nature has placed mankind under the governance of two sovereign masters, pain and pleasure. It is for them alone to point out what we ought to do, as well as to determine what we shall do.
Jeremy Bentham·An Introduction to the Principles of Morals and Legislation
In such condition there is no place for industry, because the fruit thereof is uncertain: and consequently no culture of the earth; no navigation, nor use of the commodities that may be imported by sea; no commodious building; no instruments of moving, and removing, such things as require much force; no knowledge of the face of the earth; no account of time; no arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.
Thomas Hobbes·Leviathan
Man is born free, and everywhere he is in chains. Many a man believes himself to be the master of others who is, no less than they, a slave. How did this change come about? I do not know. What can make it legitimate? I believe I can answer that question.
Jean-Jacques Rousseau·The Social Contract
Man is by nature a political animal, and a man who is by nature and not merely by fortune citiless is either superior or inferior to man.
Aristotle·Politics

Definition

Justice is a central ethical and political idea, but it does not have one settled meaning. It can concern how a person treats another person, how benefits and burdens are shared, whether institutions are fair, and whether laws or policies can be justified. A minimal formulation is that justice asks what is due to people and how those claims should shape action.

This breadth is important. Justice is not simply obedience to whatever law exists, nor is it identical with private kindness. A law may be unjust, and a well-intentioned act may still overlook another person's claim. Philosophical accounts therefore ask how to connect character, social practices, and institutions without assuming that one formula resolves every case.

Historical Origins

Questions about what people owe one another are older than Greek philosophy. In the Greek tradition, however, justice became a sustained object of argument about the soul, the city, education, distribution, law, and the good life. Plato and Aristotle made these questions central to ethical inquiry while developing different accounts of their scope.

Ancient categories should not be treated as ready-made answers to modern debates. Greek societies were marked by exclusions involving citizenship, gender, status, and enslavement. Their arguments can still illuminate questions about character and shared life, but responsible interpretation also asks whose experience and standing those arguments left out.

Justice in Greek Philosophy

Greek philosophy often joins justice to the question of how a human life goes well. Socratic inquiry tests confident assumptions about virtue and obligation. Plato explores whether justice orders both a person and a community. Aristotle examines justice as a virtue exercised with and toward others, as well as in the distribution and correction of social goods.

These approaches resist a narrow picture of justice as punishment alone. They ask about education, habits of character, political arrangements, friendship, and the uses of power. They also disagree about important matters. Plato's ideal city and Aristotle's more differentiated account of distributive and corrective justice should not be collapsed into a single Greek doctrine.

Plato's View of Justice

In the Republic, Plato frames justice through the question of whether it is better to be just than unjust. The dialogue examines a city in speech partly to make the structure of justice visible on a larger scale. In the best-known account, justice involves each part of the city and each part of the soul performing its appropriate work under the guidance of reason.

This is not merely a theory of legal compliance. Plato links justice to education, knowledge, desire, and the ordering of a person's life. The account remains controversial: its political proposals, hierarchy, and use of social roles raise serious objections. Its enduring value lies in making justice a question about the formation of character and the conditions under which power can be responsibly exercised, not only a question about rules after harm has occurred.

Aristotle's View of Justice

Aristotle gives justice sustained attention in Book V of the Nicomachean Ethics. He distinguishes a broad sense of justice, connected with complete virtue in relation to others, from more particular forms concerned with fair distribution and the correction of wrongs. This distinction helps explain why justice can name both a general ethical orientation and more specific questions about allocation, exchange, and remedy.

Aristotle's account also emphasizes proportionality. Equal treatment is not always identical treatment; what is fair may depend on the goods at stake, the relevant similarities among people, and the purposes of a practice. These claims require careful scrutiny today, especially because ancient accounts of status and merit can preserve unjust assumptions. Still, the distinction between distributive and corrective concerns remains influential in later philosophical and legal thought.

Justice and the Good Life

Justice belongs to the good life because flourishing is not only a private achievement. A person acts among others, receives benefits and burdens through institutions, and participates in relationships that can be fair or exploitative. Greek virtue ethics therefore treats justice as a social virtue: it concerns how character is expressed where another person's good is at stake.

This does not mean that a good life can be measured by moral purity alone. Health, security, friendship, education, and material conditions affect what people can do. The point is instead that a conception of flourishing which ignores responsibility, exclusion, or unfair advantage is incomplete. Justice asks readers to connect personal aims with the shared conditions that make human lives possible.

Justice and Practical Wisdom

Practical Wisdom is essential because justice cannot be reduced to repeating a general phrase. Judging a situation may require attention to evidence, roles, harms, power differences, competing claims, and the limits of one's knowledge. Good judgment does not excuse bias; it is disciplined by reasons, by openness to correction, and by the recognition that others can challenge one's view of what is fair.

Justice also clarifies the role of Courage. Acting fairly can involve risk: resisting a harmful practice, acknowledging an advantage, or speaking honestly when silence is easier. Courage without justice can become mere boldness; justice without courage can remain an unacted conviction. Their relation is one reason virtues are better understood as mutually shaping capacities than as isolated traits.

Justice Today

Contemporary debates about justice include rights, democratic institutions, discrimination, economic inequality, criminal law, climate responsibility, and recognition. Ancient Greek texts do not settle these questions. They can, however, sharpen them by asking what reasons can justify an arrangement, whether a practice treats people as participants in shared life, and what kinds of character and institutions make fair action more likely.

The practical task is neither to apply antiquity mechanically nor to treat justice as a personal feeling. It is to examine concrete arrangements, seek reliable information, listen to those affected, and remain willing to revise a judgment. Justice is demanding precisely because it joins reflection with action toward others.

Sources

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Archive references

Sources

5 scholarly sources
  • 01
    JusticeBy Stanford Encyclopedia of PhilosophyConsult source
  • 02
    Plato's Ethics and Politics in The RepublicBy Stanford Encyclopedia of PhilosophyConsult source
  • 03
    Aristotle's EthicsBy Stanford Encyclopedia of PhilosophyConsult source
  • 04
    Nicomachean EthicsBy Aristotle; translated by Terence IrwinIndianapolis: Hackett, 2019. Book V.
  • 05
    RepublicBy Plato; translated by C. D. C. ReeveIndianapolis: Hackett, 2004. Books I-IV.

Source and quality checks completed

Quality check completed 2026-07-24

Based on 5 scholarly sourcesLast updated 2026-07-24