Peking University professor Dai Jinhua’s famous saying is as follows:

Therefore, there are only a few people in the world who know the evil of good things and know the beauty of evil.

Those who say good things are heard everywhere, and those who do good things are able to do them.

Its appearance is solid, its words are skillful, it embellishes the things it sees, and it serves its small signs. It is said that it has no quality.

Integrity is regarded as arrogance, arrogance is regarded as courage, internal fear and external weakness are fearful, and it is omnipotent. Respect what you say to deceive others. Such people are hidden in honest and brave people.