《资治通鉴·唐纪·唐纪六十七》
庞勋的部将孟敬文戍守丰县，为人狡猾而强悍，手下军队较多，于是孟敬文企图背叛庞勋，自己制造符谶。
勋将孟敬文守丰县，狡悍而兵多，谋贰于勋，自为符谶。
Pang Xun’s subordinate Meng Jingwen defended Feng County, who was cunning and tough, he had a relatively large force, so he attempted to betray Pang Xun and forge the revelation.