What does filial piety mean first? Where did it come from?

From "Night Talk Around the Furnace" (Qing) Wang Yongbin

In this world, filial piety comes first. Look at his external behavior, there will be no dutiful son in the world, and lust is the beginning of all evil. Is to look at the behavior rather than the inner will. If you look at your inner will, there will be no good people in the world.

It is a behavior advocated by China cultural tradition, which means that children's behavior should not go against the wishes of parents, family elders and ancestors, and it is a manifestation of a stable ethical relationship. The so-called "filial piety comes first" shows that the Chinese nation attaches great importance to filial piety. Filial piety is generally manifested as filial piety and filial piety. Filial piety refers to affirming parents' authority in order to repay their parents' upbringing, so as to obey their instructions and orders and act according to their wishes.