《周书·列传·卷二十三》
后来有一次太祖跟仆射周惠达讨论政事，周惠达不能回答，请求让他出外找人商议。
后太祖与仆射周惠达论事，惠达不能对，请出外议之。
Afterward one time when the Emperor discussed state affairs with the Minister Zhou Huida, Zhou Huida was unable to answer and asked if he would be allowed to go outside to find someone to discuss it with.