《明史·列传·卷一百一十五》
丁惟宁责骂数落米万春，米万春想杀丁惟宁，丁惟宁逃走。李材于是再一次弹劾丁惟宁激起事变。
惟宁责数万春，万春欲杀惟宁，跳而免，材遂复劾惟宁激变。
Ding Weining rebuked Mi Wanchun, Mi Wanchun wanted to kill Ding Weining, but Ding Weining escaped. Li Cai therefore impeached Ding Weining again for inciting the mutiny.