《新唐书·列传·卷四十四》
另外仍任裴度为招讨使，使他倾太原兵力西进，见机乘隙夹攻。同时下诏抚令以动摇其军心，未用武力剿灭，一定自己溃灭。
还裴度招讨使，使悉太原兵西压境，见利乘隙夹攻之，间令招谕以动其心，未及诛夷，必自生变。
Pei Du was still made recruitment inspector, so that he could move westward, drawing on Taiyuan soldiers, and wait for an opportunity to carry out a surprise attack. At the same time, an appeasement decree was issued to shake their military spirit, so that they would not resort to force to eliminate them and they would certainly fall apart themselves.