《旧唐书·列传·卷四十》
长安四年，年老辞职，免去秋官尚书，任太子左庶子，不久又授太子宾客职务。
长安四年，以老辞职，听解秋官尚书，正除太子左庶子，寻授太子宾客。
<number>. In the fourth year of the Chang'an era, he resigned due to old age, and was relieved of his post as Minister of Punishment, but appointed as the Left Junior Tutor to the Crown Prince, and soon after was awarded the post of Guest of the Crown Prince.