You can make money and you can make excuses, but you can never make money out of excuses

(On being the world's richest man) I wish I wasn't ... There's nothing good that comes out of that. You get more visibility as a result of it.

I believe innovation is the most powerful force for change in the world. People who are pessimistic about the future tend to extrapolate from the present in a straight line. But innovation fundamentally shifts the trajectory of development.

The current information revolution is a cultural revolution, a social revolution, a thoroughgoing technological revolution that involves not just information, but labor, leisure, entertainment, communication, education, culture and thus is part of a major cultural and social shift.

The outside perception and inside perception of Microsoft are so different. The view of Microsoft inside Microsoft is always kind of an underdog thing.

It's really kind of cool to have solar panels on your roof.

'I don't know' has become 'I don't know yet'.