《汉书·传·李广苏建传》
有一个骑白马的将领出阵来监护他的士兵，李广上马，与十多个骑兵奔驰过去，射死了匈奴那个骑白马的将领，然后又回到他的骑兵当中，解下马鞍，命令士兵都把马放开并躺下。
广上马，与十余骑奔射杀白马将，而复还至其百骑中，解鞍，纵马卧。
There was a general riding a white horse came out from the enemy line to supervise his soldiers, Li Guang mounted a horse, galloped over with more than ten cavalry, shot and killed the Huns general on the white horse, and then returned to his cavalry, removed his saddle, and ordered the soldiers to release and lay down their horses.