《新五代史·列传·唐臣传第十五》
刘延朗等人请求皇帝亲自出征，皇帝心里很忧虑恐惧，常常讨厌谈石敬瑭的事，每每警告人说： 你不要说石郎，让我心惊胆战！ 
延朗等请帝亲征，帝心忧惧，常恶言敬瑭事，每戒人曰： 尔无说石郎，令我心胆堕地！ 
Liu Yanlang and others appealed to the emperor to personally lead the expedition. The emperor was very worried and fearful, often hating to talk about Shi Jingtang, and always warned people: Do not speak of Shi Lang, it makes me terrified!