Digital reading will completely take over. It's lightweight and it's fantastic for sharing. Over time it will take over.

The malaria parasite has been killing children and sapping the strength of whole populations for tens of thousands of years. It is impossible to calculate the harm malaria has done to the world.

I'm serious when I do my work. I'm not serious when I'm home with my kids.

Sometimes we do get taken by surprise. For example, when the Internet came along, we had it as a fifth or sixth priority. It wasn't like somebody told me about it and I said, "I don't know how to spell that." I said, "Yeah, I've got that on my list, so I'm okay." But there came a point when we realized it was happening faster and was a much deeper phenomenon than had been recognized in our strategy.

If we [the USA] don't innovate in education, it's literally going to mean less people get to go have that education at a time when more people are going to want it. We've got to put courses out on the Web, we've got to put interactive learning out on the Web.

The early personal computers were not very powerful so the idea of feeding their program into a small amount of memory requires immense skill.

We need to get a broader awareness. People say climate change is really bad, but painting that picture of what you're putting at risk.