Software was changing so fast, so unbelievable, that that got very quick adoption.

We need to start thinking about the future of food if we are going to feed 9 billion people in a way that does not destroy our environment.

Setting clear goals and finding measures that will mark progress toward them can improve the human condition.

The internet is just a passing fad.

Information technology and business are becoming inextricably interwoven. I don't think anybody can talk meaningfully about one without the talking about the other.

For Africa to move forward, you've really got to get rid of malaria.

We make the future sustainable when we invest in the poor, not when we insist on their suffering.