《汉书·传·王莽传上》
后来升为骑都尉兼光禄大夫加侍中，在皇宫内值宿警卫，谨慎周到，他官职越来越高，态度却越来越谦恭。
迁骑都尉、光禄大夫、侍中。宿卫谨敕，爵位益尊，节操愈谦。
Later he was promoted to Qídū Wèi, concurrently holding the positions of Guānglù Dàfū and Shìzhòng. He performed night security duties in the imperial palace, acting prudently and meticulously. His official rank grew higher and higher, but he became more and more humble in his demeanour.