《后汉书·列传·董卓列传》
董卓对长史刘艾说： 关东诸将战败几次了，干不出什么名堂了。
卓谓长史刘艾曰： 关东诸将数败矣，无能为也。
Dong Zhuo said to Liu Ai, the chief historian: "The generals from the east have been defeated several times, and they can't do anything."