《战国策·赵二·张仪为秦连横说赵王》
一个被割断了右臂的人去和人进行打斗，就失去了同盟而孤立无援，所以想要不发生危险，怎么可能呢？
夫断右臂而求与人斗，失其党而孤居，求欲无危，岂可得哉?
A person whose right arm has been severed goes to fight with others, and having lost his ally, finds himself isolated and helpless, so how can he avoid danger?