沉默是喜悦的最佳使者。

Financial innovation should be based on customer needs, not innovation for its own sake.

不管你是圣人还是罪人，我还是会做我自己。

伟大是许多小事做得好，日复一日。

I got the idea to start Amazon 16 years ago. I came across the fact that Web usage was growing at 2，300 percent per year. I'd never seen or heard of anything that grew that fast， and the idea of building an online bookstore with millions of titles -- something that simply couldn't exist in the physical world -- was very exciting to me. I had just turned 30 years old， and I'd been married for a year. I told my wife MacKenzie that I wanted to quit my job and go do this crazy thing that probably wouldn't work since most startups don't， and I wasn't sure what would happen after that. MacKenzie (also a Princeton grad and sitting here in the second row) told me I should go for it. As a young boy， I'd been a garage inventor. I'd invented an automatic gate closer out of cement-filled tires， a solar cooker that didn't work very well out of an umbrella and tinfoil， baking-pan alarms to entrap my siblings. I'd always wanted to be an inventor， and she wanted me to follow my passion.

相关系数的可能误差不是可以从第一原理推导出来的东西，而是必须通过经验找到的。

The nose of a mob is its imagination. By this, at any time, it can be quietly led.