The man of knowledge must be able not only to love his enemi... - Friedrich Nietzsche

"Perhaps I know best why it is man alone who laughs; he alone suffers so deeply that he had to invent laughter."

"I'm not upset that you lied to me, I'm upset that from now on I can't believe you."

"He who has a why to live for can bear almost any how."

"Not necessity, not desire - no, the love of power is the demon of men. Let them have everything - health, food, a place to live, entertainment - they are and remain unhappy and low-spirited: for the demon waits and waits and will be satisfied."

"Convictions are more dangerous foes of truth than lies."