Who wrote it in the back?

Followed by documentary prose, written by Zhu Ziqing in 1925, 10. "Back" describes the process of a father saying goodbye to his son in a long distance when his family changes. Through simple and true language, it shows the father's love for his son and the son's feelings for his father. This is a famous piece in the history of China's modern prose. The author once said: "I wrote" The Back "because I quoted the sentence in my father's letter. I really burst into tears when I read my father's letter. Many benefits my father treated me, especially those described in "The Back", are almost the same to me. My article is only realistic ... "This sentence tells the writing reason, description focus and writing characteristics of Back, which can be used as the key to understanding the article.