《资治通鉴·汉纪·汉纪十八》
大军频繁出击，羌人必定震恐。 汉宣帝将辛武贤的奏章交给赵充国，命他发表意见。
冬复击之，大兵仍出，虏必震坏。 天子下其书充国，令议之。
Frequent attacks by the large army will certainly terrify the Qiang. Emperor Xuan of Han handed Xin Wuxian's memorial to Zhao Chongguo and ordered him to give his opinion.