《北史·列传·卷四十九》
武帝即位，他迁任内史下大夫，常被武帝委以心腹的重任。
及武帝即位，累迁内史下大夫，遂处腹心之任。
When Emperor Wu ascended to the throne, he was transferred to the post of assistant minister of civil affairs, and was often given important and confidential responsibilities by Emperor Wu.