Surround yourself with people who challenge you, not just those who agree with you.

The destiny of world civilization depends upon providing a decent standard of living for all mankind.

数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。

We are all the sum of our memories.

创新不仅仅是技术问题；而是你如何应用它来解决现实世界的问题。