《后汉书·列传·虞傅盖臧列传》
王国使先酒泉太守黄衍劝傅燮说： 成败的局势，已经了如指掌。
王国使故酒泉太守黄衍说燮曰： 成败之事，已可知矣。
The envoy from Kingdom of Wei, former Commander of Jiuquan, Huang Yan, persuaded Fu Xie, saying: The situation of success or failure is already crystal clear.