Benevolence is a kind heart; Righteousness means doing things appropriately and reasonably; Ceremony is the normal norm of interpersonal relationship, such as etiquette, etiquette system and etiquette law; Wisdom (ancient books or "knowledge") is to distinguish right from wrong; Faith is repetitive and honest. Mencius regards benevolence, courtesy and wisdom as four purposes: "compassion is also the purpose of benevolence;" The heart of shame and evil, the end of righteousness; The words of the heart are the end of the ceremony; The heart of right and wrong is also the end of wisdom. "Compassion for the misfortunes of others is a kind of kindness. Shame and evil means being ashamed of what you have done is inappropriate and unreasonable, and being disgusted with what others have done. Resignation means not accepting the benefits of violating etiquette. Right and wrong need wisdom to support.