当没有人相信你时，你必须相信自己。

Never let failure define you—let it teach you.

The greatest glory in living lies not in never falling, but in rising every time we fall.

The fundamental impulse that sets and keeps the capitalist engine in motion comes from the new consumers' goods, the new methods of production or transportation, the new markets, the new forms of industrial organization that capitalist enterprise creates.

I've learned that you can't have everything and do everything at the same time.