We've got to put a lot of money into changing behavior.

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

Humanity’s greatest advances are not in its discoveries – but in how those discoveries are applied to reduce inequity.

Innovation is a good thing. The human condition - put aside bioterrorism and a few footnotes - is improving because of innovation.

Microsoft has had clear competitors in the past. It's a good thing we have museums to document that.

Our vision, which has not changed since the day the company was founded.

Everyone needs a coach. It doesn't matter whether you're a basketball player, a tennis player, a gymnast or a bridge player.