Source: The Letter to Ren An written by Sima Qian, a historian and writer in Han Dynasty. In the letter, the author stated his unfortunate experience with anger and full feelings, and expressed his painful feelings that he had to bear the burden of humiliation for the work Historical Records.
Extended data:
The full text of Baoren An Shu is rigorous in structure, orderly in level and coordinated before and after; Reasoning and narration are integrated, clear and thorough; The language is rich and vivid, and the sentences are long or short, interspersed with antithesis, which makes the article more emotional.
The article is sour, painful and full of feelings. It is a rare article with extremely important historical value. This article is Sima Qian's reply to Ren An. Ren An, a friend of Sima Qian's, once wrote to Sima Qian in prison, asking him to use his position as a secretariat to "recommend sages as scholars". Sima Qian answered this letter to him.
Baidu Encyclopedia-Reporting Ren Anshu