"Human life must be some kind of mistake."

"The world is hell, and men are on the one hand the tormented souls and on the other the devils in it."

"Life is a tragedy for those who feel, and a comedy for those who think."

"The existence of evil is a proof that God is not omnipotent, or not benevolent, or both."

"The general mistake is to suppose that we shall do something great in the future."