《资治通鉴·汉纪·汉纪二十一》
观察京房对元帝的诱导，可以说是把道理说得十分清楚透彻了，而最终仍不能使元帝觉悟，可悲啊！
观京房之所以晓孝元，可谓明白切至矣，而终不能寤，悲夫！
Observing Jing Fang's exhortation to Emperor Yuan, one can say that he was able to explain the rationale clearly and thoroughly, but he still could not make Emperor Yuan realize his mistakes, how sad!