Honour what is most beautiful about the past and build it into the promise of the future.

How you see where you are always depends on where you've been.

What we call people so often distances us from them, and makes them little.

Very small investments can release the infinite potential that lies in all of us.

1.5 billion people lack proper access to electricity. Many buy kerosene, which can cost 30 percent of their income. It sends millions of metric tons of carbon dioxide into the atmosphere every year. And often the lamp will fall over and catch the house on fire. So mothers hate it, but it's their only option.

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.

Philanthropy is no longer about writing a check for $10,000 to the opera.