《资治通鉴·唐纪·唐纪五十七》
宦官到沂州后，哄骗王弁说： 开州已经预先派人在路旁迎接您，您接到任命书后，应当尽快出发上任。 
中使绐之曰： 开州计已有人迎候道路，留后宜速发。 
After the eunuch arrived in Yizhou, he deceived Wang Bian, saying "Kaizhou has sent someone to greet you on the road in advance. After you receive the letter of appointment, you should set off to take up your post as soon as possible." 