This sign I give you: every people speaks its tongue of good and evil, which the neighbor does not understand. It has invented its own language of customs and rights.

All words are prejudices.

And when your soul becometh great, then doth it become haughty, and in your sublimity there is wickedness.

Socrates condemned art because he preferred philosophy and only after much internal struggle did Plato accept this judgment.

The finest and healthiest thing about science is, as in the mountains, the brisk air blowing around in it.--The spiritually delicate (such as artists) shun and slander science owing to this air.

Every talent must unfold itself in fighting.

One who dresses in rags that have been washed clean dresses cleanly to be sure, but raggedly nonetheless.