What did the ancients mean by "seven don't go and eight don't come back"?

I can't go out. I mean, don't go out before going out. These seven things are: firewood, rice, oil, salt, sauce, vinegar and tea, which is what we usually call the seven things to open the door.

Eight don't return, it is said that after going out, there are eight things that don't come home. These eight things are: filial piety, filial piety, loyalty, faith, courtesy, righteousness, honesty and shame.

Extended data

Seven, emphasize men's family responsibilities. Eight points of no return is the requirement of male social responsibility. It is said that after going out, you don't do eight things well, don't go home, can't go home, and have no face to go home.

People who used to go out were often the head of the family and the pillar of the family. Therefore, you must arrange your life at home before you go out.

These eight things are the whole essence of the moral education content of Confucius and his old people, and they are also the eight life virtues that our traditional society emphasizes most.

In other words, if a person violates any of the eight social virtues of propriety, righteousness, shame, loyalty, filial piety, loyalty and loyalty, he is sorry for his ancestors and has no face to go home and face his family.

These are the eight basic moral principles of the ancients. If you violate any of them, you are sorry for your ancestors and have no face to face your family.