From Han Yu's "Explanation of Jinxue", work is accomplished by hard work, wasteful by play, success is achieved by thinking, and destroyed by following.

It means that one is proficient in studies due to hard work, but it is wasted in games. There is another sentence below this sentence, which means that things are successful due to repeated thinking, but they are destroyed by randomness without thinking. Throughout the ages, many people who have achieved success in their careers have come from being diligent and playful, and there are many historical allusions that illustrate this truth. Simply put, these two sentences mean that you must be diligent in life and be cautious in doing things.

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This article is dated to the eighth year of Yuanhe (813), the reign of Emperor Xianzong of the Tang Dynasty, when Han Yu was forty-six years old. He served as a doctor of Guozixue in Chang'an (today's Xi'an, Shaanxi Province) and taught students. The whole text is called "Jin Xue Jie" (Jin Xue Jie) because it is called "Jin Xue Jie" (Jin Xue Jie) because the teacher encourages students to ask questions, the students ask questions, and the students answer questions.

"Jin Xue Jie" is an ancient essay written by Han Yu, a writer in the Tang Dynasty. It was a work in which the author pretended to give lectures to students to express his complaints. The full text can be divided into three paragraphs: the first paragraph is about Mr. Guozi analyzing the justice of studying, stating the situation to all students, and positively drawing the conclusion that "one cannot be successful without suffering from karma, and one cannot do it without knowing it; one cannot succeed without suffering from one's fault." "Unfair" conclusion;

The second paragraph writes about the student's defense, comparing the teacher's efforts and achievements in the four aspects of "learning", "speech", "literary" and "conduct" with his own experience, and praises first and then In the third paragraph, he refuted the teacher's conclusion; in the third paragraph, the teacher made another self-mockery, expressed his views on the students' opinions, showed a casual and calm attitude, and implicitly ridiculed the imperial court.

The article is original in conception and novel in language. Technically, it absorbs the narrative, parallelism, ornamentation, rhyme and other forms of Ci Fu style, and then innovates them, making it rich in the beauty of order. The famous saying "The work is accomplished by hard work, but wasteful by play; the success is achieved by thinking, and destroyed by casualness" comes from this article.

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