国际体系的无政府性质意味着国家必须依靠自助来确保其生存。
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
Love yourself first, because that's where all the magic begins.
Never give up on something you really want. It's difficult to wait, but more difficult to regret.
我们都是拼凑而成的，组成如此无形和多样，每一部分，每一刻，都在玩自己的游戏。
The problem is not that there are problems. The problem is expecting otherwise and thinking that having problems is a problem.
可持续发展不仅仅是一个流行词，而是我们对后代的责任。
寻找互反律是数学史上的一个基本主题。
