《新唐书·列传·卷七十九》
当时粮草缺乏，就派张代理京兆少尹，多安排办事官员，征调京城郊县赋税，不超过十天，粮草筹备充足，于是集合全军列阵，发布命令说： 国家多难，皇帝流亡，目睹危难，为节义而死，自然是我们份内的事，你们此时不杀叛匪头子，立功博取富贵，就不是英雄豪杰！
时敖廥单覂，乃使张彧假京兆少尹，多署吏，调畿内赋，不淹旬，刍米告具。乃陈兵下令曰： 国家多难，乘舆播迁，见危死节，自吾之分。公等此时不诛元凶，取富贵，非豪英也。
At that time, there was a shortage of food and supplies, so Zhang, the acting county magistrate of Jingzhao, was sent to arrange for more officials to collect taxes from the suburbs of the capital. In less than ten days, enough food and supplies were collected, so the entire army was assembled and an order was issued: "The country is in great difficulty, and the emperor is in exile. Seeing such a desperate situation, it is natural for us to die for righteousness. If you do not kill the leader of the rebels now and make a name for yourselves, you are not heroes!"