《资治通鉴·唐纪·唐纪三十二》
孔目官严庄和掌书记高尚又借机为他讲解预卜吉凶祸福的图谶，劝他起兵叛乱。
孔目官严庄、掌书记高尚因为之解图谶，劝之作乱。
The civil officials Yan Zhuang and Gao Shang took this opportunity to explain to him the Book of Prophecies, which predicted impending good fortune and disaster, and encouraged him to rebel.