《史记·七十列传·张仪列传》
依靠弱小国家的救援，忽略强秦带来的祸患，这是我替大王担忧的原因啊。
夫弱国之救，忘彊秦之祸，此臣所以为大王患也。
Relying on the rescue of the weak countries and ignoring the misfortune brought by the powerful state of Qin is the reason why I am worried for your majesty.