《资治通鉴·唐纪·唐纪六十二》
杨钦义进京走到汴州，朝廷又下敕命他返回淮南。于是，杨钦义把李德裕赠送他的珍玩如数奉还。李德裕说： 这能值几个钱！ 
行至汴州，敕复还淮南，钦义尽以所饷归之。德裕曰： 此何直！ 
Yang Qinyi went to Bianzhou on his way to the capital, and the imperial court ordered him to return to Huainan. So Yang Qinyi returned all the treasures that Li Deyu had given him. Li Deyu said: How much is this worth! 