《旧唐书·列传·卷十三》
太宗贞观年间，官至中书舍人，很得房玄龄、魏征看重。
贞观中，累除中书舍人，甚为房玄龄、魏徵所重。
During Emperor Taizong’s Zhen Guan reign, he held the office of secretary in the Department of State Affairs and was highly regarded by Fang Xuanling and Wei Zheng.