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.

What is the cost of not daring? What is the cost of not trying?

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.

The only way we really create change is to enter any situation with the humility to listen and to recognize the world as it is, and then the audacity to dream what it could be.

Our lives are so short. And our time on this planet is so precious. All we have is each other.

Being poor doesn't mean being ordinary.

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