The philosophy of time and change in Chinese Buddhism originated in a short treatise written by an early Chinese monk, Sengzhao (c. 384-414 CE). In this treatise, “On the Immutability of Things (wubuqianlun),” Sengzhao proposed a revolutionary theory of time and change that opposed the traditional Chinese notion of change established by Confucianism and Daoism. His thesis of the immutability of things also seemingly defies a fundamental Buddhist teaching about the impermanence of things. More than a thousand years after Sengzhao, (...) a monk in the Ming dynasty, Kongyin Zhencheng (1546–1617) published the “Logical Investigation of the Thesis of No-Motion of Things (Wubuqian zhengliang lun) to refute Sengzhao's theory of the immutability of things. Because of Sengzhao's esteemed status as one of the early founders of Chinese Buddhism, Zhencheng's critique of Sengzhao caused an uproar among his contemporaries. The ensuing exchange constituted one of the major debates in the history of Chinese Buddhism (Lin 2018; Liu et al., 2020; Fang 1998; Zhu 2012) and was considered a significant event in the “rise of Buddhist scholasticism” (Liu et al., 2020: 7). This entry will carefully analyze Sengzhao's treatise on time and the immutability of things, highlighting the philosophical disagreements between him and Zhencheng. It will also place Sengzhao in his philosophical lineage to examine how he derived insights from Kumarajiva and Nāgārjuna, and how he might have influenced Chan Buddhism's conception of time. This entry will present the uniqueness of Sengzhao's conception of time that marks his departure from the Chinese tradition. (shrink)