The book puts forward the three programs of Mingde, close to the People, and ending with the perfection. It also proposes eight items, essence, knowledge, sincerity, loyalty, self-cultivation, family harmony, state governance, and peace in the world. The Mean emphasizes "sincerity", regards "sincerity" as the highest category of the ideological system, and regards the pursuit of "sincerity" as the criterion of "humanity". At the same time, the learning process and cognitive methods of "learned", "questioning", "thinking", "discriminating", and "doing well" are proposed. The various manifestations of wisdom and power revealed in Guiguzi are widely used in the fields of internal affairs, diplomacy, war, economics and trade, and public relations. His ideas are highly respected by the world and are well-known at home and abroad.