All lives have equal value. And so you say, 'why do poor children die when other children don't? Why do some people have enough nutrition or reasonable toilets and other people don't?' So those basic needs that, through innovation, actually it's very affordable to bring them...to everyone.

If you say to people that there's less violence today than in the past, they would be stunned to hear that. But it's the truth, even though we have awful things happening in Syria or Sudan.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

I've for some reason or other... never met Donald Trump.

Microsoft is always two years away from failure.

The Internet is the easiest thing to get into. To be an Internet retailer, you just get that URL.

Finally, assuming that many of those are fulfilled, which won't be easy in tight budget times, we're taking the supply side at the basic research level, because that's where government is absolutely fundamental.