Microsoft has had many, many successful products. I'm committed to one company. This is the industry I've decided to work in.

With a public library card in your hand, you have access to the Internet and a world of opportunities.

Ridiculous sums of money can be confusing.

I do think this next century, hopefully, will be about a more global view. Where you don't just think, 'Yes, my country is doing well,' but you think about the world at large.

I don't have a magic formula for prioritizing the world's problems.

As we get robots becoming more sophisticated, I think we should worry sooner rather than later on how much they could take over, but I think it'll mostly be a positive thing. In terms of deadlines it won't be any worse than nuclear weapons.

If we have optimism without empathy then it doesn't matter how much we master the secrets of science. We're not really solving problems, we're just working on puzzles.