国际体系本质上是竞争性的，国家不断试图互相超越。

The only thing that stands between you and your dream is the will to try and the belief that it is actually possible.

哲学的任务不是提供答案，而是对问题本身提出质疑。

真正的领导力在于做出今天艰难的决定，造福子孙后代。