艺术不是你看到的，而是你让别人看到的。
Art is not what you see, but what you make others see.
不确定性不能成为不作为的借口。
People are just as wonderful as sunsets if you let them be. When I look at a sunset, I don't find myself saying, 'Soften the orange a bit on the right hand corner.' I don't try to control a sunset. I watch with awe as it unfolds.
奋斗是真实的，但回报也是。
The best way to learn econometrics is by doing—working with real data and real problems.