The US spends more on energy R&D than all other countries put together, and I personally consider it quite inadequate.

Investing in tomorrow's technology today is more critical than ever.

President [George] Bush made the U.S. absolutely the leader, between its own PEPFAR, and it's been by far the biggest Global Fund donor. That's a legacy.

Some very poor countries run great vaccination systems, and some richer ones run terrible programs.

If you think you're a really good programmer... read Knuth's Art of Computer Programming... You should definitely send me a resume if you can read the whole thing.

Well the protester I think is a very powerful thing. It's basically a mechanism of democracy that, along with capitalism, scientific innovation, those things have built the modern world. And it's wonderful that the new tools have empowered that protestor so that state secrets, bad developments are not hidden anymore.

People who feel the world is tilted against them will spawn the kind of hatred that is very dangerous for all of us. I think it's a healthy sign that there are demonstrators in the streets. They are raising the question of 'is the rich world giving back enough?'