Sustainability isn't a choice anymore—it's a necessity for survival in this industry.

Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.

I don't listen to what people say. I just go out there and perform.

成功不是关于金钱或名声。它是关于做你热爱的事情并产生影响。

Education is not just about building schools, but about ensuring children actually learn.

But it is the same with man as with the tree. The more he seeks to rise into the height and light, the more vigorously do his roots struggle earthword, downword, into the dark, the deep - into evil.

Problem solving is the central activity of intelligent systems.

The computer is incredibly fast, accurate, and stupid. Man is unbelievably slow, inaccurate, and brilliant. The marriage of the two is a force beyond calculation.