《新唐书·列传·卷二十三》
太宗考虑他是名臣，很快调回朝廷任礼部尚书兼魏王李泰的老师。
帝念名臣，俄召拜礼部尚书兼魏王泰师。
Taizong considered that he was a famous minister and quickly transferred him back to the court as Minister of Rites and teacher of King Wei Li Tai.