《智囊(选录)·上智部·李泌》
肃宗说： 广平王是嫡长子，以后的皇位继承人，如何还需要去担当元帅之职来巩固自己的地位呢？ 
上曰： 广平，冢嗣也，何必以元帅为重？ 
Suzong said, "Prince Guangping is the legitimate first-born son and the future heir to the throne. Why should he strengthen his position by serving as the Grand Marshal?"