Wealth is not about having a lot of money; it's about having a lot of options.

I think if you're an entrepreneur, the most important thing is to focus on your customers, your product, your team, and not on your competition.

世界充满了简单、明显而美丽的事物，以至于人们竟然还会去发明任何东西，这真是令人惊奇。

Happiness ain't a thing in itself --- it's only a contrast with something that ain't pleasant. That's all it is.

The space between things is often more important than the things themselves.