For example, the university law prohibits calling it before it is enacted. When you call jade, you don't pay attention to calling Sun, but when you are good, you call Mo. These four things are also well taught.

University teaching methods: preventing students' mistakes before they happen is called prevention; Timely education is called timeliness; Education that does not exceed the talent and age characteristics of the educated is called orderly; Learning from each other's strengths is called mutual discussion. These four points are the experience of successful teaching.

In the law of university, the prohibition in prevention is prevention, and the development is to correct some of his bad desires before they come out, so that he won't have these bad habits. "Yu" is the law of prevention and embodies the principle of prevention. "Come as soon as you can" means to carry out education at an appropriate time, which is called timeliness and embodies the principle of timeliness. The word "order" in "Sun Bu Zhou Jie" means that it can be carried out step by step without overstepping or exceeding the schedule. This "festival" means moderation and prudence. "Sun" is a step-by-step method, step by step, reflecting the principle of step by step. "Look at each other well, it is called friction", which means observing and learning from each other, which embodies the principle of learning and observing.