Refers to the highest political ideal in ancient times. When the avenue prevails, a public spirit will rule the world. Choose talents, make friends and mend fences. Such an old friend is not only a relative, but also an only child, so that the old, the strong, the useful, the young, the strong, the lonely and the sick can all be supported. Men get points and women get rewards. Goods, abandon it to the ground, don't hide it in yourself; Force, evil is not out of the body, not for yourself. Therefore, it is known as "Great Harmony". It is not rich to seek closure, but thieves do not do it, so it is not closed outside.

(See "The Book of Rites: A Trip to Li Yun Avenue")

When the social norms followed in ancient times were implemented, the world was shared by all. We chose talented people (to work for everyone), and everyone emphasized honesty and harmony. Therefore, people not only take care of their parents, but also raise their children, so that the elderly can live their own lives, the middle-aged serve the society, the young children grow up smoothly, the elderly have no wives and the elderly have no husbands. An old man without children. Disabled people can support, men should have jobs, and women should get married in time. People hate the phenomenon that wealth is abandoned on the ground, but it is not for their own enjoyment. I hate refusing to do my best in ordinary work, and I am always unwilling to work for personal gain. In this way, no one will collude. No one will steal property and make trouble, so there is no need to close the door. This is called an ideal society.