"A human being who is supposed to make use of his reason for himself needs only freedom, nothing else."

"Punishment must always be inflicted upon the criminal for the sake of punishment itself."

"The Negroes of Africa have by nature no feeling that rises above the trifling."

"The highest good in the world, the final end of all moral effort, is a world in which happiness is distributed in exact proportion to morality."

"Live your life as though your every act were to become a universal law."