《辽史·列传·卷三十五》
同知留守萧保先感到奇怪而问之，人望说： 百姓之产业如果检括得毫无遗留，将来一定会助长重敛财物之弊端，大概得到十分之六七就够了。 
同知留守萧保先怪而问之，人望曰： 民产若括之无遗，他日必长厚敛之弊，大率十得六七足矣。 
The deputy chief administrator serving as the commander of the defenders, Xiao Baoxian, was surprised and asked him about it. Renwang said: "If we search for all the people's assets without leaving anything out, it will definitely help to cultivate the pernicious habit of extorting money and property. It's probably enough to get about six or seven-tenths."