外交不仅仅是国家之间的事务，它也关乎人类整体的命运和未来。

A clear mission gives direction and purpose to every action.

如果你只做那些你事先知道答案的事情，你的公司就会消失。

Covenants, without the sword, are but words, and of no strength to secure a man at all.

Take one simple thing — almost anything — but take it extremely seriously， as if it was the only thing in the world， or maybe the entire world is in it — and by taking it seriously you’ll light up the sky.

用户体验差1%，在规模化后就是100%的灾难。

我们的矿工是美国最勤劳的人。