The best way to learn mathematics is to do mathematics.

创新不是偶然发生的；它需要对人和想法进行有意的投资。

I strongly believe that missionaries make better products. They care more. For a missionary， it's not just about the business. There has to be a business， and the business has to make sense， but that's not why you do it. You do it because you have something meaningful that motivates you.

Leadership is about vision and responsibility, not power.

The challenge for modern states is to maintain their legitimacy while also being effective in providing services and maintaining order.