You need to understand things in order to invent beyond them.

The world today has 6.8 billion people...that's headed up to about 9 billion. If we do a really great job on vaccines, health care, reproductive health services, we could lower that by perhaps 10 to 15 percent.

I was lucky to be in the right place at the right time. But many others were also in the same place. The difference was that I took action.

Flying cars are not a very efficient way to move things from one point to another.

I think any statement about stock prices is always suspect unless it's made by Warren Buffett.

If i will start all over again I would chose network marketing.

Our leadership [in Microsoft ] has that - "hey, we are the best in certain ways," and so we get the best people. That any kind of positive dynamic is quite good, so I love what's going on there, it's fun.