In 80% of the world, energy will be bought where it is economic. You have to help the rest of the world get energy at a reasonable price.

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?'

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.

Success is a lousy teacher.

You need to understand things in order to invent beyond them.

My broad sense of this is that authors like Smil really paint the clear picture, and once you see that, it's kind of Oh, of course. That's such a primal thing to all these physical services that we take for granted.

I know that historically our foundation has had great relations with all the administrations.[Bill] Clinton administration did a lot of outreach. The greatest rise in U.S. foreign aid was under the [George] Bush administration, that's where we got the AIDS initiative, which is called PEPFAR.