Every man who has declared that some other man is an ass or a scoundrel, gets angry when the other man conclusively shows that the assertion was erroneous.

One begins to mistrust very clever people when they become embarrassed.

Disobedience- that is the nobility of slaves.

Laughter means: taking a mischievous delight in someone else's uneasiness, but with a good conscience.

Enduring habits I hate.... Yes, at the very bottom of my soul I feel grateful to all my misery and bouts of sickness and everything about me that is imperfect, because this sort of thing leaves me with a hundred backdoors through which I can escape from enduring habits.

One is punished best for one's virtues.

For one thing is needful: that a human being should attain satisfaction with himself, whether it be by means of this or that poetry or art; only then is a human being at all tolerable to behold. Whoever is dissatisfied with himself is constantly ready for revenge, and we others will be his victims, if only by having to endure his ugly sight.