《隋书·列传·卷三》
郑译回答说： 我出为刺史，拄着拐杖回来，没得到一个钱，用什么给你润笔？ 
译答曰： 出为方岳，杖策言归，不得一钱，何以润笔。 
Zheng Yi replied: I left to become a prefect, and I came back with a crutch. I did not have a single cash. What will I use to pay you for your brush work?