I've always been interested in science - one of my favourite books is James Watson's 'Molecular Biology of the Gene.'

We have completely eradicated smallpox; we have almost eradicated polio. That's the miracle of vaccines, which is even greater than that of antibiotics.

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.

This social-networking thing takes you to crazy places.

People cannot become truly knowledgeable without being excellent readers.

I don't think there's a... boundary between digital media and print media. Every magazine is doing an online version.

Until we're educating every kid in a fantastic way, until every inner city is cleaned up, there is no shortage of things to do.