天下之大能容万物,天下之小容不得两国。赵地最早由周缪王分封给赵父,从此赵父后代以赵为国,以赵为姓;而秦国则是周孝王封给赵氏后人非子,并封地称秦,恢复嬴姓。面对秦赵“本是同根生”的国家,为何要让对方堕入万劫不复的战火之中?因为“天下”二字。各国皆想获得天下,同时又怕 The greatness of the world can accommodate all things, and the smallness of the world cannot be both. Zhao was first confiscate by Zhou Yuwang to Zhao’s father. Zhao’s descendants used Zhao Weiguo as the surname, and Zhao as his surname. Qin Guo was the son of Zhou Xiaoqin who was the son of Zhao’s descendants. In the face of Qin Zhao’s “a country that has been born with the same roots”, why should the other party be allowed to fall into the eternal flames of war? Because “the world” is the word. All countries want to get the world, but at the same time they are afraid