《资治通鉴·唐纪·唐纪三十六》
于是就袒露上身，手执长刀，立于阵前，大声呼喊，奋勇杀敌，叛军遇到他的刀锋，人马纷纷落地，接连杀死数十人，才稳住了官军的阵地。
乃肉袒，执长刀，立于阵前，大呼奋击，当其刀者，人马俱碎，杀数十人，阵乃稍定。
So he bared his chest, held a long knife in his hand, stood in front of the formation, shouted loudly, and fought bravely. When the rebels encountered his blade, they fell to the ground with their horses. He killed dozens of people in a row before he stabilized the imperial army's position.