King Gaiwen was detained and performed "The Book of Changes"; Zhongnieu wrote "Spring and Autumn"; Qu Yuan was exiled and wrote "Li Sao"; Zuoqiu was blind and wrote "Guoyu"; Sun Tzu Binjiao, "The Art of War" "Bu Wei moved to Shu, and the biography "Lu Lan" was passed down from generation to generation; Han Fei was imprisoned in Qin Dynasty, "Shuo Nan" and "Lonely Anger"; there are three hundred poems in "Poetry", most of which were written by sages out of anger.
Sima Qian-"Report to Ren An"