《周书·列传·卷二十二》
周惠达多次推辞。皇帝亲写诏书回答说： 此去无后顾之忧，只有委托你了。
惠达前后辞让，帝手诏答曰： 西顾无忧，唯公是属。
Emperor Taizu repeatedly refused. The Emperor personally wrote an imperial edict and answered: “This time when you go, you are free from worries about the rear, and only you can be entrusted with this task.” 