Jin Xuejie was written by Han Yu when he was practicing medicine in Yuanhe in 1978. It comes from the Complete Works of Han Changli, under the guise of teaching students and encouraging them to make progress academically and morally. When the students asked questions, he explained it again, so it was named "Jin Xuejie" to express his dissatisfaction with his lack of talent and career. The famous saying "Diligence is good at diligence, but poor at play; What you do in thinking is destroyed in following "is not in this article.