MOU Zong-san put Neo-Confucianism into three schools, and regarded the schools of Wu Feng Ji Shan and Xiang Shan Yang Ming as the orthodox schools of Confucianism, but the school of Yi Chuan Zhu Zi as branch roads.

• 牟宗三把宋明理学分为五峰蕺山、象山阳明与伊川朱子三系,并视五峰、蕺山与象山、阳明两系为儒学之正宗,而伊川、朱子系为儒学之歧出。