The doer alone learneth.

What is important is not the quantity of your knowledge but its quality. You can know many things without knowing the most important.

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!

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

The man of knowledge must be able not only to love his enemies but also to hate his friends.

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.