《资治通鉴·汉纪·汉纪十五》
李德裕论曰：君主最大的德，莫过于明察秋毫，明察可以洞悉奸诈，那么任何邪恶就都无法将其蒙蔽，汉昭帝就是这样。
李德裕论曰：人君之德，莫大于至明，明以照奸，则百邪不能蔽矣。汉昭帝是也。
Li Deyu commented: The greatest virtue of a monarch is to have a keen eye. This insight can penetrate deceit, so no evil can deceive him. Emperor Zhao of the Han Dynasty was such a person.