《明史·列传·卷五十五》
郦堃又曾经寄给父亲褐布，父亲又寄信责备他说： 你掌管刑律，应当洗刷冤情解决疑难问题，以无愧于任命，从哪里得到这块褐布，用来玷污我。 
埜又尝寄父褐，复贻书责曰： 汝掌刑名，当洗冤释滞，以无忝任使，何从得此褐，乃以污我。 
Li Kun once sent his father some sackcloth. His father wrote back to blame him, saying: "You are in charge of criminal law. You should wash away grievances and solve difficult problems, so as not to betray your appointment. Where did you get this sackcloth to defile me?"