《新唐书·列传·卷一百》
唐宪宗当广陵王时，通过张茂宗推荐，能进出王府，他怪诞狡诈敢说话，到唐宪宗代行国政时，从百姓提升为左拾遗。
宪宗为广陵王时，因张茂宗荐尉，得出入邸中，诞谲敢言。
When Tang Xianzong was King Guangling, through Zhang Maozong's recommendation, he was able to enter and leave the palace. He was weird and狡诈, and when Tang Xianzong acted as the national government, he was promoted from the people to the left scavenger.