Brothers live in harmony. Filial piety lies in quality, not in appearance, not only in politeness; DuDu. Lover: Dun: Loyalty: Showing love for parents. To respect your parents, you must love all the parents in the world and dare not neglect others' parents. Friends should pay attention to honesty: loyalty. It means that brothers should respect harmony and dare not do evil to others. Respect for relatives: it means filial piety in the heart, and honesty between friends.
-Chen Ziang's motto
What is important between brothers is harmony.