Freedom is what beauty feels like when it can most express itself.

Each of us can work to change a small portion of events. And it's in the total of all those acts that the history of this generation will be written.

We are connected to each other not only as humans, but to every living thing on the planet.

I was going to save the world, and I thought I would start with the African continent.

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.

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

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