1. Increase the cultural connotation of the article: By quoting the famous sayings of the sages, increase the cultural connotation of the article, so that readers can feel the profoundness of China traditional culture in reading.
2. Deepen the theme: The quoted famous sentences are often closely related to the theme of the article, which can further deepen the theme of the article and make readers understand the thoughts and emotions expressed in the article more deeply.