Billionaires should never be responsible for solving problems, because they're not the government.

The next big invention that will change the way we live should be things like ways of generating energy like electricity.

When you program, you want to think you're writing the best possible program for the... for the task you're trying to solve.

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

When you are failing, you are forced to be creative, to dig deep and think, night and day.

Apple has always leveraged technologies that the PC industry has driven to critical mass - the bus structures, the graphics cards, the peripherals, the connection networks, things like that - so they're kind of in the PC ecosystem and kind of not.

We're still missing about a dozen vaccines that will make a huge difference. For adults, we've got HIV and TB are still huge; for kids malaria is still killing a half million kids a year out of that 6 million. We probably need some vaccines, but we need a little more data to make sure we're getting the vaccines that will save the most lives.