This famous saying comes from Wang Chong.

Wang Chong of the Han Dynasty said in "Lunhengganxu Chapter" that "where sincerity reaches, metal and stone will open", which means that when a person's sincerity reaches, it can move the heaven and earth, and even metal and stone will crack. It is a metaphor for doing things sincerely. , the problem can always be solved. This sentence was later quoted and praised by many people, and was praised as one of the most resounding and representative sayings in traditional Chinese culture.

Earliest, it was mentioned in "Zhuangzi Fisherman" that "the true man is the most sincere. If he is not sincere, he cannot move people."