Just start Don't wait for perfection. Just start and let the work teach you.

When I first went to Africa, I thought that I was personally going to save the continent, if not the world.

There is power in creating a small model, and then you can create an alliance of other small models.

There are cases where government-to-government aid actually has worked. Look at the eradication of smallpox and the near eradication of polio. But these are really top down solutions that require government-to-government support and aid.

Monsters will always exist. There's one inside each of us. But an angel lives there, too. There is no more important agenda than figuring out how to slay one and nurture the other.

Don't let people tell you to do it this way. You are on the verge of figuring out hybrid models -- with companies and nonprofits, markets, government, crowd-sourced philanthropy. The capitalist system as we know it is not working.

We need leaders, we ourselves need to lead from a place that has the audacity to believe that we ourselves can extend the fundamental assumption that all men are created equal to every, man woman and child on this planet. And we need the humility to recognize that we cannot do it alone.