„A moral system valid for all is basically immoral.“

— Friedrich Nietzsche
„Fashion is neither moral or immoral, but it is for rebuilding the morale.“
— Karl Lagerfeld
„Immorality, no less than morality, has at all times found support in religion.“
— Sigmund Freud
„So I have tried to make it clear that it is wrong to use immoral means to attain moral ends. But now I must affirm that it is just as wrong, or even more so, to use moral means to preserve immoral ends.“
— Jr.
„Immorality is the morality of those who are having a better time. You will never convince the average farmer's mare that the late Maud S. was not dreadfully immoral.“
— H.L. Mencken
„About morals, I know only that what is moral is what you feel good after and what is immoral is what you feel bad after.“
— Ernest Hemingway
„Men are more moral than they think and far more immoral than they can imagine.“
— Sigmund Freud