《旧唐书·列传·卷一百一十六》
工于做诗，善于描绘歌咏事物之风姿特色，一时谈诗者以元、白并称。
工为诗，善状咏风态物色，当时言诗者，称元、白焉。
He is good at composing poems, and he is good at depicting the style and characteristics of chanting things. For a while, the people who talked about poems called Yuan and Bai.