《北史·列传·卷四十八》
李密的军队渐渐离散，他将要到达黎阳，有人说： 杀翟让的时候，徐世责力也几乎被杀。
密众渐离，将如黎阳。人或曰： 杀翟让之际，徐世勋几死，其心安可保？ 
Li Mi’s army gradually fell apart, and he was on his way to reaching Liyang, when someone said, “When we killed Zhai Rang, Xu Shize was also nearly killed.”