1. The Five Constant Principles of Confucianism The Five Constant Principles refer to benevolence, righteousness, propriety, wisdom, and trustworthiness. They are the code of conduct used to adjust and standardize the human relationships between kings and ministers, fathers and sons, brothers, couples, friends, etc.

2. The five most basic characters and virtues that we should possess for our own development and social progress.

3. Confucius first proposed "benevolence, righteousness, etiquette", Mencius expanded it to "benevolence, righteousness, etiquette, and wisdom", and later Dong Zhongshu expanded it again to "benevolence, righteousness, etiquette, wisdom, and trustworthiness". Later called "Wuchang".

4. These "Five Constants" run through the development of Chinese ethics and become the core factor in the Chinese value system.

5. The "Three Character Classic" says, "Benevolence and righteousness, etiquette, wisdom and trust, these five constants cannot be disordered."

6. Ren, that is, two people.