《资治通鉴·唐纪·唐纪三十九》
现在我假托巡视晋州、绛州，在那里逗留拖延。我恳求陛下特派一人到绛州问候我，我就与他一同入朝。 
今托巡晋、绛，于彼迁延，乞陛下特遣一介至绛州问臣，臣即与之同发。 
I now pretend to be touring Jinzhou and Jiangzhou, and I am staying there to delay. I implore Your Majesty to send someone to Jiangzhou to deliver a message to me, and I will go to court with him.