You are not only responsible for what you say, but also for what you do not say.

In business, if you're not moving forward, you're falling behind.

You have to believe in yourself when no one else does.

数学的真正力量在于它简化复杂事物的能力，使不可理解的事物变得可理解。

Natural selection is the only known natural process that can build functional complexity.

拥有而不需要，总比需要而没有好。

The challenge is to make buildings that are both functional and poetic.

If you don’t make mistakes, you’re not working on hard enough problems. And that’s a big mistake.