To be fully alive, fully human, and completely awake is to be continually thrown out of the nest.

Before you save the world, make sure your own house is in order.

I'm an optimist in the sense that I believe humans are noble and honorable, and some of them are really smart.

One of the things I learned when I was negotiating was that until I changed myself, I could not change others.

I am not young enough to know everything.

It is under the greatest adversity that there exists the greatest potential for doing good, both for oneself and others.

Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.