Virtue alone is not sufficient for the exercise of government; laws alone cannot carry themselves into practice.

Human nature is disposed to do good.

I dislike death, however, there are some things I dislike more than death. Therefore, there are times when I will not avoid danger.

To act without clear understanding, to form habits without investigation, to follow a path all one's life without knowing where it really leads; such is the behavior of the multitude.

A real man is he whose goodness is a part of himself.

There is no greater delight than to be conscious of sincerity on self-examination.

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