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

The human body is the most complex system ever created. The more we learn about it, the more appreciation we have about what a rich system it is.

Just in terms of allocation of time resources, religion is not very efficient. There's a lot more I could be doing on a Sunday morning.

Security guys break the Mac every single day. Every single day, they come out with a total exploit, your machine can be taken over totally.

The Global Fund is a central player in the progress being achieved on HIV, TB and malaria. It channels resources to help countries fight these diseases. I believe in its impact because I have seen it firsthand.

The greatest thing you can do for your competition - hire poorly.

In a budget, how important is art versus music versus athletics versus computer programming? At the end of the day, some of those trade-offs will be made politically.