《新唐书·列传·卷十一》
如凭借险固而不服从的话，臣世代是凉州望族，了解其士民，而且仁受到李轨信任，职掌枢密者有数十人，如等候嫌隙以谋图取事，没有不成功的。 
如凭固不受，臣世凉州豪望，多识其士民，而修仁为轨信任，典事枢者数十人，若候隙图之，无不济。 
If I refused because of the stronghold, then as a minister, I am a prestigious clan of Liangzhou and understand its people. Moreover, Ren is trusted by Li Gui. There were dozens of people who are in charge of confidential matters. If I wait for a loophole to act on it, it will work out. 