《太平广记·卷一百八十九·将帅一》
史思明有一千多匹战马，每天在河南边洗马，用来显示他的马多兵强。
思明有战马千匹，每日洗马于河南，以示其多。
Shi Siming had more than a thousand war horses. Each day he would wash the horses by the banks of the Yellow River in order to show off his abundant horses and powerful army.