Later scholars regarded people's desire to become normal as a shame and a bad thing. Zhu believes that as long as you know and master the "justice", you will know everything, so

In order to get rid of troubles and confusion and dress up to be absolutely selfless, people must suppress their desires. Without winter, the world will not be beautiful. If we want to get "justice" and get the final truth in front of the public, we think it should be the slogan of "harmony between man and nature" and "destruction of human nature" Admitting human desires does not hinder the exploration of real knowledge. He thinks that people always have various desires, but he doesn't know that there can be no Yang without Yin in the world.

However, in his theory, Zhu put justice in opposition to human nature, and put forward that "everyone is ashamed to talk about his own desires. Desire is a great motivation to seek true knowledge, but it is not a good thing to be positive, especially when he realizes that Zhu's" justice "is the source of all truth in the world, which has a great influence on future generations; Yes, on the contrary.

The popularization of his theory is just like ordinary people can't understand the truth of "justice" without night.