- “Ethics is knowing the difference between what you have a right to do and what is right to do.” — Potter Stewart
- “Morality is not the doctrine of how we may make ourselves happy, but of how we may make ourselves worthy of happiness.” — Immanuel Kant
- “The first step in the evolution of ethics is a sense of solidarity with other human beings.” — Albert Schweitzer
- “A man without ethics is a wild beast loosed upon this world.” — Albert Camus
- “In law, a man is guilty when he violates the rights of others. In ethics, he is guilty if he only thinks of doing so.” — Immanuel Kant
- “The moral arc of the universe bends at the elbow of justice.” — Martin Luther King Jr.
- “Ethics is in origin the art of recommending to others the sacrifices required for cooperation with oneself.” — Bertrand Russell
- “The greatest of all mistakes is to do nothing because you can only do a little. Do what you can.” — Sydney Smith
- “The ultimate test of a moral society is the kind of world that it leaves to its children.” — Dietrich Bonhoeffer
- “Moral courage is the most valuable and usually the most absent characteristic in men.” — George S. Patton
- “An ethical person ought to do more than he’s required to do and less than he’s allowed to do.” — Anonymous
- “The greatness of a nation and its moral progress can be judged by the way its animals are treated.” — Mahatma Gandhi
- “Morality is simply the attitude we adopt toward people whom we personally dislike.” — Oscar Wilde
- “Ethics is not definable, is not implementable, because it is not conscious; it involves not only our thinking, but also our feeling.” — Valdemar W. Setzer
- “Moral excellence comes about as a result of habit. We become just by doing just acts, temperate by doing temperate acts, brave by doing brave acts.” — Aristotle
- “A man does what he must—in spite of personal consequences, in spite of obstacles and dangers and pressures—and that is the basis of all human morality.” — John F. Kennedy
- “The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.” — Charles Darwin
- “In matters of style, swim with the current; in matters of principle, stand like a rock.” — Thomas Jefferson
- “Morality is the basis of things and truth is the substance of all morality.” — Mahatma Gandhi
- “One man’s morality is another man’s prison.” — Anonymous
- “The measure of a man is what he does with power.” — Plato
- “Ethics is nothing else than reverence for life.” — Albert Schweitzer
- “To educate a person in the mind but not in morals is to educate a menace to society.” — Theodore Roosevelt
- “Moral indignation is jealousy with a halo.” — H.G. Wells
- “The function of education is to teach one to think intensively and to think critically. Intelligence plus character—that is the goal of true education.” — Martin Luther King Jr.
- “The only way to comprehend what mathematicians mean by Infinity is to contemplate the extent of human stupidity.” — Voltaire
- “A moral system valid for all is basically immoral.” — Friedrich Nietzsche
- “The good man is the friend of all living things.” — Mahatma Gandhi
- “The only moral that is of any value is that which rises above law, and is independent of it.” — Henry Ward Beecher
- “Our lives begin to end the day we become silent about things that matter.” — Martin Luther King Jr.
- “Moral courage is the highest expression of humanity.” — Ralph Nader
- “One’s philosophy is not best expressed in words; it is expressed in the choices one makes.” — Eleanor Roosevelt
- “The great use of life is to spend it for something that will outlast it.” — William James
- “Morality is the weakness of the brain.” — Arthur Rimbaud
- “The most important human endeavor is the striving for morality in our actions. Our inner balance and even our very existence depend on it. Only morality in our actions can give beauty and dignity to life.” — Albert Einstein
- “A quiet conscience makes one strong!” — Anne Frank
- “If you don’t stand for something, you’ll fall for anything.” — Gordon A. Eadie
- “The highest morality is the morality of the individual.” — Ralph Waldo Emerson
- “Morality is the herd-instinct in the individual.” — Friedrich Nietzsche
- “There is no pillow so soft as a clear conscience.” — French Proverb
- “One ought to look a good deal at oneself before thinking of condemning others.” — Molière
- “Moral principles do not depend on a majority vote. Wrong is wrong, even if everybody is wrong. Right is right, even if nobody is right.” — Fulton J. Sheen
- “Ethics is not a branch of philosophy, it is the branch of life itself.” — Maximus the Confessor
- “The ultimate aim of human life is to realize the truth, to understand reality, to find meaning, and to live a life of morality.” — Confucius
- “The moral law commands us to make the highest possible good in a world the final object of all our conduct.” — Immanuel Kant
- “If we lose love and self-respect for each other, this is how we finally die.” — Maya Angelou
- “Moral autonomy appears when the mind regards as necessary an ideal that is independent of all external pressures.” — Jean Piaget
- “The virtue of justice consists in moderation, as regulated by wisdom.” — Aristotle
- “Ethics is a way of living. It is not a code of conduct.” — John Paul Sartre
- “The moral arc of the universe is long, but it bends toward justice.” — Theodore Parker
- “Our character is what we do when we think no one is looking.” — H. Jackson Brown Jr.
- “The line separating good and evil passes not through states, nor between classes, nor between political parties either—but right through every human heart.” — Aleksandr Solzhenitsyn
- “It is curious that physical courage should be so common in the world and moral courage so rare.” — Mark Twain
- “The greatest way to live with honor in this world is to be what we pretend to be.” — Socrates
- “Morality is not just any old topic in psychology but close to our conception of the meaning of life.” — Steven Pinker
- “One man’s transparency is another man’s humiliation.” — Gerry Adams
- “Ethics is in origin the art of recommending to others the sacrifices required for cooperation with oneself.” — Bertrand Russell
- “Morality is simply the attitude we adopt toward people whom we personally dislike.” — Oscar Wilde
- “An ethical man knows he shouldn’t cheat on his wife, a moral man actually wouldn’t.” — Unknown
- “The measure of a man’s character is what he would do if he knew he never would be found out.” — Thomas Babington Macaulay
- “Moral excellence comes about as a result of habit. We become just by doing just acts, temperate by doing temperate acts, brave by doing brave acts.” — Aristotle
- “Ethics is in origin the art of recommending to others the sacrifices required for cooperation with oneself.” — Bertrand Russell
- “Morality is the basis of things and truth is the substance of all morality.” — Mahatma Gandhi
- “One ought to look a good deal at oneself before thinking of condemning others.” — Molière
- “Ethics is a way of living. It is not a code of conduct.” — John Paul Sartre
- “Moral indignation is jealousy with a halo.” — H.G. Wells
- “The function of education is to teach one to think intensively and to think critically. Intelligence plus character—that is the goal of true education.” — Martin Luther King Jr.
- “The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.” — Charles Darwin
- “Our lives begin to end the day we become silent about things that matter.” — Martin Luther King Jr.
- “Morality is simply the attitude we adopt toward people whom we personally dislike.” — Oscar Wilde
- “The great use of life is to spend it for something that will outlast it.” — William James
- “The only way to comprehend what mathematicians mean by Infinity is to contemplate the extent of human stupidity.” — Voltaire
- “An ethical person ought to do more than he’s required to do and less than he’s allowed to do.” — Anonymous
- “In matters of style, swim with the current; in matters of principle, stand like a rock.” — Thomas Jefferson
- “A man does what he must—in spite of personal consequences, in spite of obstacles and dangers and pressures—and that is the basis of all human morality.” — John F. Kennedy
- “Morality is the weakness of the brain.” — Arthur Rimbaud
- “The greatest of all mistakes is to do nothing because you can only do a little. Do what you can.” — Sydney Smith
- “If you don’t stand for something, you’ll fall for anything.” — Gordon A. Eadie
- “The moral arc of the universe bends at the elbow of justice.” — Martin Luther King Jr.
- “The ultimate test of a moral society is the kind of world that it leaves to its children.” — Dietrich Bonhoeffer