The concept describes a divine source of legitimacy for rulers in ancient China. It posited that emperors were granted the right to govern by a higher power, often interpreted as Heaven or the gods. This endorsement was not unconditional; it was contingent on the ruler’s just and effective governance. A virtuous and capable leader would maintain this celestial approval, while a tyrannical or inept one risked losing it. Natural disasters, social unrest, and military defeats were often viewed as signs that the ruler had lost this divine favor, signaling the potential for a change in dynasty.
Its importance lies in its function as both a justification for imperial authority and a check on despotic power. It provided a framework for dynastic cycles, wherein periods of strong, legitimate rule were followed by periods of decline and eventual overthrow. The belief that a ruler’s right to govern was dependent on their ability to provide for the well-being of the people served as a powerful incentive for good governance. Historically, rebellions and uprisings were frequently justified by the claim that the current dynasty had forfeited its right to rule due to its failings and injustices.