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

People are using Windows PCs more than they watch TV now.

In my view, investing in public libraries is an investment in the nation's future.

Me and my dad are the biggest promoters of an estate tax in the US. It's not a popular position.

I find golf very relaxing. It's a way to get away from work and get outside. It's a lot of fun, and once you get going it's almost kind of addictive.

Software innovation, like almost every other kind of innovation, requires the ability to collaborate and share ideas with other people, and to sit down and talk with customers and get their feedback and understand their needs.

If I hadn't given my money away, I'd have had more than anyone else on the planet.