《旧唐书·列传·卷一百一十六》
屡屡上疏陈说治政得失，同时做《贺雨诗》、《秦中吟》等数十首，意在论天下事，当时人们将他的诗作比作《风》、《骚》。
比比上书言得失，因为《贺雨诗》、《秦中吟》等数十章，指言天下事，时人比之《风》、《骚》焉。
He repeatedly presented memorials to discuss the gains and losses of governance, and at the same time wrote dozens of poems such as "Ode to Rain" and "Songs of Qin Zhong", intending to comment on the affairs of the world. At that time, people compared his poems to "The Book of Songs" and "The Songs of the South".