Zhou Dunyi

Zhou Dunyi (1017–1073) was a Song dynasty Confucian philosopher whose cosmology, especially the Taijitu shuo, helped shape Neo-Confucian thought.

Taijitu shuo: A short cosmological treatise by Zhou Dunyi explaining the emergence of the cosmos through the Supreme Ultimate and yin-yang. This work presents the cosmological argument most closely associated with Zhou.
Wu ji er tai ji: A phrase meaning “the Ultimate of Non-Being and yet the Supreme Ultimate,” central to Zhou Dunyi’s cosmological formulation. The phrase captures the paradox at the beginning of Zhou’s account of generation.
Zhu Xi: A Song dynasty philosopher who systematized Neo-Confucian learning and incorporated Zhou Dunyi into its lineage. Zhu Xi’s editions and commentary made Zhou’s writings central to later Confucian study.
Daoism: A Chinese philosophical and religious tradition centered on the Dao and diverse practices of aligning with its way. Zhou’s cosmological language overlaps with ideas associated with Daoist texts, while serving a Confucian moral project.
Four Books: A collection of four Confucian texts elevated by Zhu Xi as the core curriculum for moral and intellectual study. Zhu Xi’s curricular program placed Zhou’s supplementary writings beside the canonical learning of the Four Books.
Taijitu: A diagram representing the Supreme Ultimate and the transformations through which the cosmos develops. Its visual scheme anchors Zhou’s account of cosmic generation.
Taiji sheng liangyi: The cosmological sequence in which the Supreme Ultimate generates yin and yang, the two primary modes of change. This transition begins the sequence by which Zhou explains the differentiated cosmos.
Cheng Hao: A Song dynasty Confucian philosopher, often grouped with his brother Cheng Yi as the Cheng brothers. The Cheng brothers’ teaching helped establish the intellectual movement Zhou’s work influenced.
Buddhism: A religious and philosophical tradition originating in India, centered on liberation from suffering and the cycle of rebirth. Song Confucians developed new metaphysical accounts amid sustained engagement and rivalry with Buddhism.
Song dynasty: A Chinese dynasty that ruled from 960 to 1279 and fostered major developments in philosophy, literature, and technology. Zhou’s career unfolded during the dynasty’s revival of Confucian scholarship.

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Cheng-Zhu schoolRelated: His account of the Supreme Ultimate shaped the cosmological framework later adopted by Zhu Xi.