"All our dignity consists in thought. It is by this that we must elevate ourselves, and not by space and time, which we cannot fill. Let us endeavor, then, to think well; this is the principle of moral…"

"The only good thing in life is to be able to choose one's friends."

"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…"

"Small minds are concerned with the extraordinary, great minds with the ordinary."

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