我是一个美国黑人，我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。

我认为一个简单的商业规则是，如果你先做更容易的事情，那么你实际上可以取得很多进展。

If you do what you've always done, you'll get what you've always gotten.

If you ask an economist what’s driven economic growth, it’s been major advances in things that mattered – the mechanization of farming, mass manufacturing, things like that. The problem is, our society is not organized around doing that.

经济景观是一个由不同等级的中心地组成的系统，每个中心地为特定区域服务。

The biggest risk is not taking any risk.

最好的想法往往来自意想不到的地方。

在我们行业中，效率和环境责任必须齐头并进。

The beauty of a molecule is in its structure and its story.