I explore the features of universalist thinking in the work of Zhu X i (Chu Hsi: 1130-1200), examining the following: (1) the importance of li (principle) in Zhu Xi's cosmology and ethics; (2) the course of moral development of a Confucian sage and the spheres of expanding identity and responsibility; (3) the ideal of impartiality in achieving a composure of unity with the world; and (4) the ideal of differentiated (or graded) love as an expression of living in accord with li and xing (nature). I conclude with some critical observations regarding these major features of Zhu Xi's universalism, noting some hazards of such cross-cultural analysis, and acknowledging general problems facing the non-pluralistic perspective of his work.