Whether God exists or does not exist, He has come to rank among the most sublime and useless truths.

First move me, astonish me, break my heart, let me tremble, weep, stare, be enraged-only then regale my eyes.

I have not the hope of being immortal, because the desire of it has not given me that vanity.

Man was born to live with his fellow human beings. Separate him, isolate him, his character will go bad, a thousand ridiculous affects will invade his heart, extravagant thoughts will germinate in his brain, like thorns in an uncultivated land.

Posterity for the philosopher is what the other world is for the religious man.

The enjoyment of freedom which could be exercised without any motivation would be the real hallmark of a maniac.

If you disturb the colors of the rainbow, the rainbow is no longer beautiful.