《资治通鉴·唐纪·唐纪三十四》
令狐潮怀疑是木头人，就派兵去侦察，得知确实是雷万春，十分惊异，远远地对张巡说： 刚才看见雷将军，才知道您的军令是多么森严了，然而这对于天道又能怎样呢？ 
潮疑其木人，使谍问之，乃大惊，遥谓巡曰： 向见雷将军，方知足下军令矣，然其如天道何！ 
Linghu Chao doubted that it was a wooden figurine, so he sent some men to find out. He found out that it was indeed Lei Wanchun and was shocked. He said to Zhang Xun from afar, "I just saw General Lei and I realized how strict your military orders are. But how does it affect the law of heaven?"