It is to the credit of human nature, that, except where its selfishness is brought into play, it loves more readily than it hates.
除了在自私起作用的地方，人性更倾向于爱而不是恨，这是人性的优点。
The anarchic nature of the international system compels states to prioritize their own survival above all else.
质量从来不是偶然的；它始终是智慧努力的结果。
你跟那些惹怒你的事物一样大。