Instruments and playthings are sense and spirit: behind them there is still the Self. The Self seeketh with the eyes of the senses, it hearkeneth also with the ears of the spirit.

To live alone one must be a beast or a god, says Aristotle. Leaving out the third case: one must be both - a philosopher.

We count the courtesies accorded us by unpopular people as offenses.

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.

Men were considered "free" only so that they might be considered guilty - could be judged and punished: consequently, every act had to be considered as willed, and the origin of every act had to be considered as lying within the consciousness (and thus the most fundamental psychological deception was made the principle of psychology itself).

You highest men whom I have ever seen! This is my suspicion about you and my secret laughter: I guess that you would call my superman--a devil!

Spiritual strength and passion, when accompanied by bad manners, only provoke loathing.