《史记·七十列传·卫将军骠骑列传》
如今苏建率几千军队抵御单于的几万军队，奋力战斗了一天多的时间，战士全部牺牲，仍然不敢有背叛汉朝的心意，自己归来。
今建以数千当单于数万，力战一日馀，士尽，不敢有二心，自归。
Today, Su Jian led an army of several thousand men to resist the tens of thousands of troops led by the Chanyu. They fought for more than a day, and his men were all killed, but he still dared not betray Han, and returned on his own.