Friends are the siblings God never gave us.

The way is One and only One. The way is close at hand, but men seek it afar.

Friendship is one mind in two bodies.

By exhaustively examining one's own mind,one may understand his nature.One who understands his own nature understands Heaven.

The five kinds of grains are considered good plants, but if the grains are not ripe, they are worse than cockles. It is the same with regard to kindness, which must grow into maturity.

Listen to a man's words and look at the pupil of his eye. How can a man conceal his character?

Is it only the mouth and belly which are injured by hunger and thirst? Men's minds are also injured by them.