It is not enough to prove something, one also has to seduce or elevate people to it. That is why the man of knowledge should learn how to speak his wisdom: and often in such a way that it sounds like folly!

A thinker sees his own actions as experiments and questions-as attempts to find out something. Success and failure are for him answers above all.

Knowledge kills action; action requires the veils of illusion.

On the mountains of truth you can never climb in vain: either you will reach a point higher up today, or you will be training your powers so that you will be able to climb higher tomorrow.

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

Our treasure lies in the beehive of our knowledge. We are perpetually on the way thither, being by nature winged insects and honey gatherers of the mind.