Human beings want to see each other. We want to be heard by each other.

If there's one value that is immutable, it's integrity or respect, for others and for yourself.

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

There are 60 million generators in Nigeria. The generator owners and distributors have a strong incentive to not encourage the distribution of solar and other alternative energies, even though it's better for the country, it's better for people. As a world, we've got to get more serious about confronting those obstacles. This knows no culture, no race, no ethnicity.

Our actions - and inaction - touch people every day, people we may never know and never meet.

We don't see profit as a blind instrument.

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.