"I gave up caring about anything, and all the problems disappeared."

"Nature doesn't ask your permission; it doesn't care about your wishes, or whether you like its laws or not. You're obliged to accept it as it is, and consequently all its results as well."

"Nothing is more seductive for a man than his freedom of conscience, but nothing is a greater cause of suffering."

"Intelligence alone is not nearly enough when it comes to acting wisely."

"The secret of man's being is not only to live but to have something to live for."

"Besides, nowadays, almost all capable people are terribly afraid of being ridiculous, and are miserable because of it."

"People really do like seeing their best friends humiliated; a large part of the friendship is based on humiliation; and that is an old truth,well known to all intelligent people."

"Man is a creature that can get accustomed to anything, and I think that is the best definition of him."

"There is immeasurably more left inside than what comes out in words."