任何心理活动的价值都以其对成功生活的贡献来衡量。
城市的穷人就像树的根：看不见，但对生存至关重要。
Every challenge in agriculture is an opportunity to redefine how we feed the world.
The best revenge is massive success.
I'm always trying to grow and learn and better myself.
A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.
一个好的系统设计是使做正确的事情变得容易，做错误的事情变得困难。
Courage in monetary policy is not the absence of fear but the judgment that something else is more important than fear.
你必须强迫自己考虑相反的观点。特别是当它们挑战你最钟爱的想法时。