| Moral nature theory is the core of Neo-Confucianism. Wu Cheng is a famous philosopher of Yuan Dynasty. His thought on moral nature theory is complex and grand. In order to understand correctly content and significance of Xin, Wu Cheng studied on Xin from three aspects as follows. First, Wu Cheng proposed Mind Is Great, Wu Cheng analyzed the three basic meaning of Xin, which is thinking, dominating, and having moral attribute. Then Wu Cheng elucidated the moral attribute of Xin, combining the idea of “Mind Is Humanity” in his theory. Finally, Wu Cheng set forth the abundant signification in Xin and Tao to clarify the misunderstanding of Xin and put the school of Xin into Confucian orthodoxy on the basis of Mind Contains Tao. |