I am Zarathustra the Godless: where shall I find my equal? All those who give themselves their own will and renounce all submission, they are my equals.

Once and for all, there are many things I choose not to know.--Wisdom sets limits even to knowledge.

Annoyance is a physical malady that is in no way cured just because the annoying situation that causes it is eliminated.

Speaking generally, punishment hardens and numbs, it produces concentration, it sharpens the consciousness of alienation, it strengthens the power of resistance.

We must be physicists in order to be creative since so far codes of values and ideals have been constructed in ignorance of physics or even in contradiction to physics.

The doer alone learneth.

It is hard enough to remember my opinions, without also remembering my reasons for them!