Source: The Analects of Confucius is a government, so Yin gains and losses are known. Yan He explained: Ma Rong said, "The truth is also called the Three Cardinal Principles and the Five Permanent Principles." Three cardinal guides and five permanents "

"Three cardinal principles" means "the monarch is the minister's cardinal principle", "the father is the child's cardinal principle" and "the husband is the wife's cardinal principle"; The "five permanent members" refer to "benevolence, righteousness, courtesy, wisdom and faith".