Innovation is not just about creating something new; it's about improving what already exists.
压力要么让管道爆裂,要么造就钻石。
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
得到你想要的东西的代价是得到你曾经想要的东西。
If you're not willing to take risks, you're not going to grow.
在精神平静中找到幸福。