《战国策·秦五·文信侯出走》
秦一来担心赵兵作鱼死网破之争，二来深恐诸侯率兵来救，秦王必定迫不急待收受献地。
内恶赵之守，外恐诸侯之救，秦必受之。
On one hand, Qin worries that Zhao soldiers will fight to the death, on the other hand, Qin is afraid that other vassal states will send troops to save Zhao, Qin king will definitely accept the offered land without hesitation.