If the rules of the game of international politics could be simplified to "an eye for an eye, a tooth for a tooth," there would be no need for statesmen or diplomats.
如果國際政治的遊戲規則可以簡化為「以牙還牙」，那麼也不需要政治家的運籌帷幄，不需要外交家的折衝樽俎了。