Gentlemen cherish worth; the vulgar cherish dirt. Gentlemen trust in justice; the vulgar trust in favor.

Everyone calls his son his son, whether he has talents or has not talents.

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 ought to be done, remains undone.

Sincerity is the way of heaven.

There are cases in which the blade springs, but the plant does not go on to flower. There are cases where it flowers, but no fruit is subsequently produced.

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

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.