《资治通鉴·后晋纪·后晋纪五》
有人对后晋出帝说： 陛下想要抵御北狄，安治天下，非用桑维翰不可。 
或谓帝曰： 陛下欲御北狄，安天下，非桑维翰不可。 
Someone said to Later Jin Emperor Chu Di: "Your Majesty wants to resist the northern Di and bring order to the country, then none is better than Sang Weihan."