《新唐书·列传·卷三》
况且乌合之众不能持久，如能坚守壁垒以挫折其锐气，待其粮尽力屈，可以不战而擒获其众。 
且乌合之众惮持久，若坚壁以顿其锐，须食尽气老，可不战禽也。 
Besides, the rabble cannot hold out for long. If we can defend the fortifications firmly to frustrate his morale, when his food runs out and his strength is exhausted, we can capture his army without fighting.