The Internet will help achieve "friction free capitalism" by putting buyer and seller in direct contact and providing more information to both about each other.

If you believe that all men are created equal, then a child's death in some other country is no less tragic than in the United States.

When I was in college, for the games of that era, I was as hard core as anyone was. I wouldn't say I outgrew it, but you always have to have a finite number of addictions.

People who say they don't see the acceleration of innovation is a wilful blindness. We are innovation at a wonderful speed for the basic things we think everyone should get.

We're very enthused about the idea that in the third trimester we actually give the mother a vaccine and her antibodies, the protective things that the immune system makes, actually pass through to the baby, both when the baby is born, and through the mother's milk. Because the baby's immune system is actually not very strong for that first few months, using the mother's immune system to do this - it's a very exciting idea and something that we're investing heavily in.

Our vision, which has not changed since the day the company was founded.

The poor can't wait. Philanthropists needed to carry on being generous.