Ignorance and error are necessary to life, like bread and water.

A person is never happy except at the price of some ignorance.

The truth is that life is delicious, horrible, charming, frightful, sweet, bitter, and that is everything.

If it were absolutely necessary to choose, I would rather be guilty of an immoral act than of a cruel one

It is the certainty that they possess the truth that makes men cruel.

Never lend books, for no one ever returns them; the only books I have in my library are books that other folks have lent to me