He who sling mud, lose ground.

What you know, you know, what you don't know, you don't know. This is true wisdom.

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.

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

All things are nourished together without their injuring one another. The courses of the seasons, and of the sun and moon, are pursued without any collision among them. The smaller energies are like river currents; the greater energies are seen in mighty transformations. It is this which makes heaven and earth so great.

On matters beyond his ken a gentleman speaks with caution. If names are not right, words are misused. When words are misused, affairs go wrong. When affairs go wrong, courtesy and music droop, law and justice fail. And when law and justice fail them, a people can move neither hand nor foot. So a gentleman must be ready to put names in speech, to put words into deeds. A gentleman is nowise careless of words.

Ah, music, sacred tongue of God! I hear thee calling and I come.