《新唐书·列传·卷十五》
程知节驰马救援，连杀数人，趁敌军后退之机，抱起裴行俨驰马回奔。
行俨中流矢坠马，知节驰救之，杀数人，军辟易，乃抱行俨重骑驰。
Cheng Zhijie galloped his horse to rescue him, killed several persons, and when the enemy retreated, he picked up Pei Xingyan and galloped back.