As we look ahead into the next century, leaders will be those who empower others.

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

Don't let complexity stop you. Be activists. Take on the big inequities. It will be one of the great experiences of your lives.

You’ve got to give great tools to small teams. Pick good people, use small teams and give them great tools so that they are very productive in terms of what they are doing.

I know there's a farmer out there somewhere who never wants a PC and that's fine with me.

I think when smallpox was eliminated, the whole world got pretty excited about that because it’s just such a dramatic success.

The misconception that aid falls straight into the hands of dictators largely stems from the Cold War era.