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.

Poverty is not only about income levels, but for lack of freedom that comes from physical insecurity

I believe the government should ensure all children are provided with a good education.

Entrepreneurs are the seekers of solutions, and that they will go into these places where both market and traditional aid has failed or traditional charity has failed.

For too much of history, we've viewed the world's precious resources - both environmental and human - as things to extract, to make the most of in order to maximize their potential.

Sometimes the most important things that we do are things we cannot measure.

On the one hand, I loved being a banker. I loved how numbers could tell a story and how you can invest in ideas and see them translate into products and services and create jobs. What I didn't like, particularly where I was working in Brazil during the debt crisis of the early '80s, was how the poor were excluded from the banking system. I made the decision to try and experiment with whether we could use the tools of banking to extend the benefits of the economy to the poor.