Good business leaders create a vision, articulate the vision, passionately own the vision, and relentlessly drive it to completion.

人生中唯一真正的失败是不忠于自己所知的最好。

Man is born free， and everywhere he is in chains.

I want to liberate America from fear. I want people to feel free to express themselves.

The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

管理复杂性的关键在于关注组件之间的接口，而不是它们的实现。