《新五代史·列传·杂传第二十七》
于是给梁、晋的使臣戴上刑具投入狱中，把大斧木砧放在庭上，命令说： 敢进谏的人处死！ 
乃械梁、晋使者下狱，置斧钅质于其庭，令曰： 敢谏者死！ 
He therefore puts the envoys from Liang and Jin in cangue and throws them in jail. He has large axes and wooden blocks put in the courtyard and says: “Anyone who thinks of remonstrating with me will be executed!"