"Integrity is Gold" is an essay about integrity written by Li Yuliang. The article is well detailed and very convincing. At the beginning of the article, the author explains the profound meaning of the word "integrity". Then, the author starts with the well-known example of "Zengzi killing a pig". The author expands on this example to illustrate his point of view. In the last paragraph of the article, the author gives several more examples. This is a well-known example of dishonesty, which forms a sharp contrast. At the same time, the article also appears to be detailed and persuasive.