《资治通鉴·唐纪·唐纪四十七》
唐朝臣因受有诏命，不敢离开，李泌写了一纸文书，将他打发回去，于是急速策马前行。
唐臣以受诏不敢去，泌写宣以却之，因疾驱而前。
Because Tang Chaozhen had received orders, he did not dare to leave. Li Bi wrote a document to send him back, then galloped away.