《太平广记·卷二百五十一·诙谐七》
说后一直很怅惘不悦，过了一会儿又问：有一部虞永兴手书本《尚书》，此书还在吧？
惆怅久之。复问一曰：有一本虞永兴手书《尚书》，此又在否？
Li felt very regretful and unhappy after saying this. A while later, he asked, "I have a copy of "Shangshu" written by Yu Yongxing. Is it still there?"