Religions turn madly about sexual questions.
The world will never forgive the Jews for having disdained the religion which they gave to the world. There is in this a sort of intellectual treason which reminds one of those merchants who do not wear, or eat, or drink their own merchandise.
When one comes to define the philosophy of the nineteenth century, one will discover that it was only theology.
An opinion is shocking only when it is a conviction.
Nothing so imparts the satisfaction of having accomplished one's duty as a good night's sleep, an excellent meal, a beautiful moment of love.
What is life? A series of sensations. What is a sensation? A remembrance.
One does n't live. One has lived. Life, said an old man, is a regret.
The terrible thing about the quest for truth is that you find it.
There are things which one must have the courage not to write.
As to possessing the truth: I think of those explorers who have with them a tame lion, and who sleep with one eye open.