Famous saying: It is a joy to have friends from far away; Traditional virtue: hospitality; Practical significance: Open mind and make friends.

Famous saying: When three people walk together, there must be a teacher; traditional virtue: modesty and studiousness; practical significance: good at learning the strengths of others.

Famous saying: The use of etiquette, harmony is the most valuable; Traditional virtues: Emphasis on etiquette and peace; Practical significance: The pursuit of harmony between man, nature and society.