Mankind must put an end to war or war will put an end to mankind
人类若不结束战争，战争就会毁灭人类
Throughout history war has devastated the world with death and destruction.
有史以来战争一直以死亡及毁灭糟蹋这个世界。
Mankind must, therefore, endeavor to put an end to war,
因此，人类必须努力结束战争，
or else war will one day destroy mankind.
否则将来有一天战争会毁灭人类。
With this in mind, President John F. Kennedy once said,
有鉴于此，肯尼迪总统曾说：
"Mankind must put an end to war or war will put an end to mankind. "
“人类若不结束战争，战争就会毁灭人类。”