Books and drafts mean something quite different for different thinkers. One collects in a book the lights he was able to steal and carry home swiftly out of the rays of some insight that suddenly dawned on him, while another thinker offers us nothing but shadows - images in black and grey of what had built up in his soul the day before.

Mastery has been achieved when one neither makes a mistake nor hesitates in the performance.

And once you are awake, you shall remain awake eternally.

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

For what purpose humanity is there should not even concern us: why you are here, that you should ask yourself: and if you have no ready answer, then set for yourself goals, high and noble goals, and perish in pursuit of them!

Truths are illlusions which we have forgotten are illusions.

Let us not underestimate the privileges of the mediocre. As one climbs higher, life becomes ever harder, the coldness increases, responsibility increases.