We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

It's waiting that helps you as an investor and a lot of people just can't stand to wait.If you didn't get the deferred -gratification gene, you've got to work very hard to overcome that.

在为增加粮食生产的机构和为控制人口的机构联合起来共同努力之前，抗击饥饿的斗争不可能取得永久性进展。

最好的交易者是那些能够独立思考的人。

创新不仅仅是技术问题，它关乎人、文化以及营造一个让想法蓬勃发展的环境。

Music is the universal language of mankind.