化学作用无法创造或毁灭物质。

经济周期不仅仅是围绕确定性趋势的波动；它们代表了趋势本身的转变。

I've been waiting more than 30 years to say this: "Dad, I always told you I'd come back and get my degree." I want to thank Harvard for this timely honor. I'll be changing my job next year…and it will be nice to finally have a college degree on my resume.

"Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them."

The eye through which I see God is the same eye through which God sees me; my eye and God's eye are one eye, one seeing, one knowing, one love.

时间是个滑溜溜的东西：一旦失去控制，它的线索可能会永远从你手中溜走。