 This stance was initially adapted by the majority of Neo-Confucian scholars in Korea, and developed by Kwŏn Kŭn (1352–1409), who “had the most sophisticated understanding of Neo-Confucian metaphysics” in the fourteenth century, especially his Diagrammatic Treatises for the Commencement of Learning (入學圖說, K. Iphak tosŏl), which consisted of some