The moral is the inevitable result of China people paying attention to the golden mean. This article does not directly express the meaning, such as how important you are, but through a series of descriptions, rhetoric, scenes and other techniques, it also well expresses ideas, which can achieve the effect of different opinions and increase the depth and connotation of the article. In the sentence, although it has no real meaning, it uses rhetoric and other means to reflect the extraordinary grandeur, but it shows the original intention incisively and vividly without direct explanation. This is the implicit function.