"What is noble? To be able to be alone."

"In truth, man is a polluted river. One must be a sea to receive a polluted river without becoming defiled. I bring you the Superman! He is that sea; in him your great contempt can be submerged."

"Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you."

"What is freedom? The will to be responsible for oneself. To hold oneself to the strictest standard, to be able to overcome shame, to be able to say no to one's desires."

"One should not talk much about oneself, when one has done nothing."