Morality is the theory that every human act must be either right or wrong, and that 99 % of them are wrong.
Henry Louis Mencken
Those who can make you believe absurdities can make you commit atrocities.
Voltaire
Morality is either a social contract or you have to pay cash.
Stanislaw Jerzy Lec
History is the discovering of the principles of human nature.
David Hume
None of us can boast about the morality of our ancestors. The records do not show that Adam and Eve were married.
Edgar Watson Howe
Virtue, perhaps, is nothing more than politeness of soul.
Honore de Balzac
Force always attracts men of low morality, and I believe it to be an invariable rule that tyrants of genius are succeeded by scoundrels.
Albert Einstein
The worst government is often the most moral. One composed of cynics is often very tolerant and humane. But when fanatics are on top there is no limit to oppression.
Henry Louis Mencken
We have, in fact, two kinds of morality side by side: one, which we preach but do not practice, and another, which we practice but seldom preach.
Bertrand Russell
Hypocrisy is the homage that vice pays to virtue.
Francois de La Rochefoucauld
I`m proud of the fact that I never invented weapons to kill.
Thomas A. Edison
It is the public scandal that offends; to sin in secret is no sin at all.
Moliere
The surest way to remain poor is to be honest.
Napoleon
Morality is the herd instinct in the individual.
Friedrich Nietzsche
The hottest places in hell are reserved for those who, in time of great moral crisis, maintain their neutrality.
Alighieri Dante
Know that morality is a curb, not a spur.
Joseph Joubert
Power corrupts the few, while weakness corrupts the many.
Eric Hoffer
Immorality: the morality of those who are having a better time.
Henry Louis Mencken
It is curious that physical courage should be so common in the world and moral courage so rare.
Mark Twain
Fear is the mother of morality.
Friedrich Nietzsche
Justice without force is powerless; force without justice is tyrannical.
Blaise Pascal
Even the best intentioned of great men need a few scoundrels around them; there are some things you cannot ask an honest man to do.
Jean de La Bruyere
Boredom is a vital problem for the moralist, since at least half of the sins of mankind are caused by the fear of it.
Bertrand Russell
Of all the sexual aberrations, chastity is the strangest.
Anatole France
Power corrupts, and absolute power corrupts absolutely.
John Acton
There are very honest people who do not think that they have had a bargain unless they have cheated a merchant.
Anatole France
Never let your sense of morals prevent you from doing what is right.
Isaac Asimov
An honest man is always a child.
Socrates