Understand and be confident that each of us can make a difference by caring and acting in small as well as big ways.

We must not, in trying to think about how we can make a big difference, ignore the small daily differences we can make which, over time, add up to big differences that we often cannot foresee.

I feel very lucky to have grown up having interaction with adults who were making change but who were far from perfect beings. That feeling of not being paralyzed by your incredible inadequacy as a human being, which I feel every day, is a part of the legacy that I've gotten from so many of the adult elders.

I don't want to end up simply having visited this world.

It's the curiosity that drives me. It's making a difference in the world that prevents me from ever giving up.

You don’t have to know a lot of things for your life to make a lasting difference in the world. But you do have to know the few great things that matter, perhaps just one, and then be willing to live for them and die for them. The people that make a durable difference in the world are not the people who have mastered many things, but who have been mastered by one great thing.