Faced with what is right, to leave it undone shows a lack of courage.

Acquire new knowledge whilst thinking over the old, and you may become a teacher of others.

The father who does not teach his son his duties is equally guilty with the son who neglects them.

See a person's means ... Observe his motives. Examine that in which he rests. How can a person conceal his character?

The gentleman sees what is right while the small man sees what is profitable.

Earnest in practicing the ordinary virtues, and careful in speaking about them, if, in his practice, he has anything defective, the superior man dares not but exert himself; and if, in his words, he has any excess, he dares not allow himself such license.

Rotten wood cannot be carved.