Zhu advocated upholding justice and destroying the people. He believes that justice is the three cardinal principles and five permanents as a moral norm and the highest realm of human nature.

A is Lu Jiuyuan's opinion. He believes that the heart is both a principle and the founder of the theory of mind, which regards the heart as the origin of all things in the universe.

CD is advocated by Wang Yangming, who is also a representative of psychology, and the unity of conscience and knowing and doing is his epistemology.