《新唐书·列传·卷一百四十》
于是诏令裴行俭册送波斯王子，并安抚大食，好像只是经过两蕃的样子。
即诏行俭册送波斯王子，并安抚大食，若道两蕃者。
At this time, the emperor ordered Pei Xingjian to send away the Persian prince to comfort the Umayyads, as if he had merely passed by the two barbarians.