Oh, how much is today hidden by science! Oh, how much it is expected to hide!

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.

[Heraclitus] concluded that coming-to-be itself could not be anything evil or unjust.

The Christian faith from the beginning, is sacrifice the sacrifice of all freedom, all pride, all self-confidence of spirit, it is at the same time subjection, self-derision, and self-mutilation.

In a friend one should have ones best enemy. You should be closest to him with your heart when you resist him.

I am not a human being, I am dynamite.

A very popular error: having the courage of one's convictions; rather it is a matter of having the courage for an attack on one's convictions.