Zhong Rong, a literary critic of the Southern Dynasty, commented on the works of Liu Kun in the Jin Dynasty in Shi Pin. Kun is not only a good person, but also has bad luck, so he is good at talking about mourning and chaos, and he has many words of hatred.This is to use the experience of Liu Kun's misfortune to explain why his poems are full of grief and indignation. Contemporary literary critics consciously use this method to examine works. A scholar who studied the novel iniquity Sea Flowers in the late Qing Dynasty once said that in order to understand this work, it is necessary to know people and talk about the world, and it is necessary to explore Zeng Pu's life, ideological process and creative process. It can be seen that knowing people and talking about the world is an important method for him to study evil sea flowers.
The main content of this text is that knowing people and talking about the world is regarded as the standard for the study of ancient works.