《百战奇略·第四卷·山战》
赵王又召见赵奢询问，赵奢回答说： 虽然道路艰险，但在这种地方作战恰似两只老鼠在洞穴中争斗，勇者才能获胜。 
又召赵奢问，奢曰： 道远路狭，譬如两鼠斗于穴中，将勇者胜。 
King Zhao again summoned Zhaoshe to ask him, Zhaoshe answered: Although the road is rugged, fighting in such a place is just like two mice fighting in a hole, the braver one can win.