How often do I lull my seething blood to rest, for you have never seen anything so unsteady, so uncertain, as this heart.

Mathematics has the completely false reputation of yielding infallible conclusions. Its infallibility is nothing but identity. Two times two is not four, but it is just two times two, and that is what we call four for short. But four is nothing new at all. And thus it goes on and on in its conclusions, except that in the higher formulas the identity fades out of sight.

Man can find no better retreat from the world than art, and man can find no stronger link with the world than art.

What is important in life is life, and not the result of life.

The real scholar learns how to evolve the unknown from the known, and draws near the master.

Voluntary dependence is the wonderful form of existence, and how could that be possible without love?

People can only live with their equals, and not even with them; for in the long run they cannot tolerate that someone is their equal.