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國際體系本質上是競爭性的，國家不斷試圖互相超越。

透明建立信任，而信任是任何成功企業的基礎。

我不明白為什么人們害怕新想法。我害怕的是舊的想法。

The best response to those who hurt you isn't revenge,? but doing your best to have a better life.

實現明天的唯一限制是我們今天的疑慮。

When you're young you think you're going to have lots of friends. But as you get older, you realize you can count them on one hand.

The most profound discoveries often come from the simplest observations.