"Custom is our nature. He who is accustomed to faith believes in it, and can no longer fear hell, and does not believe in anything else. And he who is accustomed to sin regards it as nothing, and can n…"

"Man is so great that his greatness even manifests itself in knowing himself to be miserable."

"The supreme function of reason is to show man that there is nothing beyond reason."

"We are so unhappy that we can only be happy by diversion."

"It is not certain that everything is uncertain."