If language is not correct, then what is said is not what is meant; if what is said is not what is meant, then what must be done remains undone; if this remains undone, morals and art will deteriorate; if justice goes astray, the people will stand about in helpless confusion. Hence there must be no arbitrariness in what is said. This matters above everything.

If you devote your life to seeking revenge, first dig two graves.

He who speaks without modesty will find it difficult to make his words good.

The demands that a great man makes are on himself; those of a petty man are upon others.

Never hesitate to ask a lesser person.

A gentleman wishes to be slow to speak and quick to act.

Forget injuries, never forget kindnesses.