Tao Te Ching: Less is chaos, and more is chaos. The farther you go, the less you know. It means that the more you know, the more confused you are, because those old knowledge conflicts with the present society, thus limiting people's knowledge.

Knowing that a saint can't do it, he doesn't see it.

It means that people should pay attention to the knowledge gained in current practice, rather than sticking to the words of others and the wisdom of the ancients. After all, their own knowledge comes from practice. Even if others study hard and don't practice by themselves, they won't understand. After all, it will still belong to others and will eventually be forgotten. So the paper is shallow and I don't know how to do it.

The true understanding of oneself comes from practice. Some people say that true knowledge is indelible in the heart. Why not interpret this sentence as "real knowledge is left after forgetting, they are obtained from practice, and yours is unique." Other people's, although it sounds reasonable, will naturally be eliminated by memory if they don't practice. This is that learning without thinking is useless, and thinking without learning is dangerous. "