Base yourself in loyalty and trust. Don't be companion with those who are not your moral equal. When you make a mistake, don't hesitate to correct it.

When music and courtesy are better understood and appreciated, there will be no war.

Virtuous people often revenge themselves for the constraints to which they submit by the boredom which they inspire.

There is the love of knowing without the love of learning; the beclouding here leads to dissipation of mind.

The man of wisdom is never of two minds; the man of benevolence never worries; the man of courage is never afraid.

If names be not correct, language is not in accordance with the truth of things.

To know, is to know that you know nothing. That is the meaning of true knowledge. When you say something, say what you know. When you don't know something, say you don't know. That is knowledge.