Spare no effort to strengthen centralization, Mao believes that his rule comes from providence. Volume I of Yu's Collection of Allusions records Mao Yue: "Everyone speaks and acts in heaven, but he dares not specialize himself." Therefore, the beginning of his imperial edict is Fengtian traffic. The etiquette of the Ming Dynasty clearly stipulated that princes and ministers must be "active as soon as possible to govern all parties" and "successful". Jiao Sidi calls himself "the heir of the emperor", and the first sentence of his song is "Harmony is heaven and earth, and the monarch is Hua Yi." The first sentence of the emperor's wedding is also "I accept the decree of heaven", and the emperor's treasure seal contains the emperor's treasure to heaven, carrying the treasure of Ming Chengzu to heaven "and so on.