There is a saying in Jade Algae that "a gentleman can't go without a reason". Except "a gentleman is better than jade"? In addition to moral symbols, it also contains the meaning of restraining men's behavior by wearing jade. The jade that "jade does not go to the body" mainly refers to Yu Pei.
Extended data
The ancient book "Five Classics Yi Tong" said that jade is "moist and similar to wisdom; Sharp and harmless, like benevolence; Restraint without scratching is similar to righteousness; The defects inside must be visible outside, and some are like letters; Just like falling, just like a ceremony. " Confucius also said: "The beauty of jade is like the virtue of a gentleman."
He believes that jade has the virtues of benevolence, wisdom, righteousness, courtesy, joy, loyalty, faith, heaven, earth, morality and Taoism. There is a saying in the Book of Songs that "a gentleman is gentle as jade".
Refer to Baidu Encyclopedia-Chinese Jade