国际体系的结构，而不是个别国家的意图，是国家行为的主要决定因素。

Don’t let the noise of others’ opinions drown out your own inner voice.

Don’t be afraid to ask a question that may sound stupid because 99% of the time everyone else is thinking of the same question and is too embarrassed to ask it.

The obsession with running is really an obsession with the potential for more and more life.

我说的每一句话都必须被理解为不是一个断言，而是一个问题。

只有神才能在不犯错误的情况下区分成功和失败。