《金史·本纪·卷一》
过了一会儿，世祖又叫去穆宗并对他说： 乌雅束柔善，如果办吞并契丹的事，阿骨打能胜任。 
俄呼穆宗谓曰： 乌雅束柔善，若办集契丹事，阿骨打能之。 
After a while, Shizu called the Mu Zong to go and told him: Uya Shurouxian is good, if he does the annexation of the Khitan, Aguda can be competent.