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.

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

The poor also are willing to make, and do make, smart decisions, if you give them that opportunity.

If you're looking at distributing alternative energy in Nigeria, for instance, what gets in your way is not people's ability to pay, not people's desire for a clean solar lamps or biomass opportunities. But there is a strong status quo that really depends on selling diesel.

The time for us to begin innovating and looking for new solutions is now.

Failure can be an incredibly motivating force.

There are probably no more market-oriented individuals on the planet, than low income people.