Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.
真相是，每個作家都會創(chuàng)造自己的先驅(qū)。
Good econometrics is like good carpentry—it's all about using the right tool for the job.
The greatest wisdom is to know that you know nothing.
培育花草樹木就是培育善良、美好和真實。
The only person you should try to be better than is the person you were yesterday.