That man is prudent who neither hopes nor fears anything from the uncertain events of the future.

Men are not created to know, men are not created to understand ... and our illusions increase with our knowledge.

A writer is rarely so well inspired as when he talks about himself.

One thing above all gives charm to men's thoughts, and this is unrest. A mind that is not uneasy irritates and bores me.

To die for an idea is to set a rather high price upon conjecture.

The power of love itself weakens and gradually becomes lost with age, like all the other energies of man.

In order that knowledge be properly digested it must have been swallowed with a good appetite.