Xu Shao's comments on Cao Cao's poems

"Ruling the world is a powerful minister and a treacherous man in troubled times" comes from a comment made by Xu Shao, a critic at that time, on Cao Cao. In addition to Pei's Notes on the History of the Three Kingdoms and Shi Shuo Xin Yu, it is also recorded in the History of the Later Han Dynasty and Xu Shaochuan.

Xu shào Yao (about150-about 195), the word will be. Runan Pingyu (now Sheqiao Town, Pingyu County, Henan Province) is a native. A famous critic in the late Eastern Han Dynasty. It is said that he will make a comment on the characters at that time once a month, which is called "monthly comment". Cao Cao was once rated as "the traitor of Jun Qingping and the hero of troubled times". At the end of the Han Dynasty, Du Nan took refuge in Lu You, and then fled to Zhang Yu with him, where he died.