《魏书·列传·卷四十》
著作佐郎博陵人许赤虎、河东人裴定宗等人对汜潜说： 送给人东西，送上两三回，便是很大的恩惠了，而你送给胡叟酒，却持之以恒，这是为什么呢？ 
著作佐郎博陵许赤虎、河东裴定宗等谓潜曰： 再三之惠，以为过厚。
The assistant author, Baling's Xu Chihu, and Hedong's Pei Dingzong, said to Si Qian: When you give someone something, you just give it two or three times and you have already done a very good deed, but you have been giving wine to Hu Xu all the time. Why is that?