《北史·列传·卷八》
十五岁时，入朝侍奉皇帝，成为心腹。他办事细心严密，没有出现过错。
年十五，内侍左右，性谨密，初无过行。
At the age of 15, he entered the imperial court to serve the Emperor as his intimate aide. He was meticulous and prudent in handling affairs, and never made any mistakes.