Economics is ultimately about improving human welfare.

凡是大国之所以不攻打小国的,必定是由于这个小国粮食充足,城郭修筑坚固,上下和谐一心。

Problems frequently get easier if you turn them around in reverse. In other words, if you want to help India, the question you should ask is not “how can I help India,” it’s “what is doing the worst damage in India? What will automatically do the worst damage and how do I avoid it?”

犯错是人之常情。承担你的错误是神圣的。没有什么比迅速承认你所犯的错误，并承担个人责任，然后公平地纠正错位更能提升一个人的地位。如果你搞砸了，大胆承认错误吧。这种力量非常强大。

The integration of technology and infrastructure is unstoppable.

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.

我能做的就是做我自己，不管那是谁

The one thing that you have that nobody else has is you. Your voice, your mind, your story, your vision. So write and draw and build and play and dance and live as only you can.