The best change that comes to the world is when all parties are seeing each other as equal, and all parties have the opportunity to be transformed. That really goes back to the idea of dignity.

When systems are broken, it's an opportunity for invention and innovation.

Just start Don't wait for perfection. Just start and let the work teach you.

Human beings tend not to spend money on health preventionally. We tend to spend it on top treatment.

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, to have the patience to start and let the work teach you, to be willing to lead when you need to lead, and to listen. To have a sense of generosity and empathy, but not over-empathy, because accountability is so critical to building solutions that work.

One of the first things that surprised me in a positive, wonderfully positive way, is that this works - patient capital works.

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.