Ancient Chinese cosmology and its relationship to political legitimacy produced one of the most stable and influential theories of government in world history: the Mandate of Heaven (Tianming), which legitimized dynastic rule while simultaneously providing the ideological basis for dynastic overthrow.

The concept, developed and articulated in the early Zhou period (1046–771 BC), held that Heaven (Tian) — not a personal deity but a moral cosmic force — granted political authority to virtuous rulers and withdrew it from those who governed badly. Natural disasters, social unrest, and military defeat were signs of Heaven's displeasure; the overthrow of a dynasty was the mechanism by which Heaven transferred the mandate to a more worthy recipient.

The concept's genius was its flexibility: it justified the ruling dynasty's power (they held the Mandate) while providing ideological legitimacy for rebellion (successful rebellion was evidence of a transferred Mandate). Every new dynasty immediately articulated its history in Mandate terms: the previous dynasty had lost the Mandate through corruption and misrule; the new dynasty had received it through virtue and military success. The ideology was unfalsifiable in the sense that outcome determined legitimacy retrospectively.

The Confucian elaboration of the Mandate gave the literati class — scholars who interpreted and transmitted the Confucian classics — a role as advisors, critics, and moral arbiters of political authority. The memorialization system, by which officials could (in theory) submit critical memorials to the emperor without punishment, created an institutional channel for the Confucian scholar's role as moral remonstrator. This tradition of scholar-official remonstrance is one of the distinctive features of Chinese political culture.