Sensual excess drives out pity in man.

The horror of wedlock, the most appalling, the most loathsome of all the bonds humankind has devised for its own discomfort and degradation.

One must feel sorry for those who have strange tastes, but never insult them. Their wrong is Nature's too; they are no more responsible for having come into the world with tendencies unlike ours than are we for being born bandy-legged or well-proportioned.

Lycurgus, Numa, Moses, Jesus Christ, Mohammed, all these great rogues, all these great thought-tyrants, knew how to associate the divinities they fabricated with their own boundless ambition.

I want to be the victim of his errors.

The ultimate triumph of philosophy would be to cast light upon the mysterious ways in which Providence moves to achieve the designs it has for man.

Let us give ourselves indiscriminately to everything our passions suggest, and we will always be happy...Conscience is not the voice of Nature but only the voice of prejudice.