To have a solid foundation of skepticism, -that is to say, the faculty of changing at any moment, of turning back, of facing successively the metamorphoses of life.

To be a member of such a crowd ... is not much to be far removed from solitude; the freedom of everyone is assured by the freedom to which everyone else lays claim.

It was an accident that has endowed man with intelligence. He has made use of it: he invented stupidity.

Demons are like obedient dogs; they come when they are called.

Autumn is as joyful and sweet as an untimely end.

The man of genius may dwell unknown, but one always may recognize the path he has followed into the forest. It was a giant who passed that way. The branches are broken at a height that other men cannot reach.