Study without reflection is a waste of time; reflection without study is dangerous.

Learning without thought is labor lost; thought without learning is perilous.

To be fond of learning is to be near to knowledge. To practice with vigor is to be near to magnanimity. To possess the feeling of shame is to be near to energy.

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.