Nothing ever gets done unless it's done by a fanatic.

Future generations are not going to ask us what political party were you in. They are going to ask what did you do about it, when you knew the glaciers were melting.

We think of violence as being conflict and fighting and wars and so forth, but the most ongoing horrific measure of violence is in the horrible poverty of the Third World... and the poverty in the United States as well. We have our own Third World here. And we have to first become aware of that and how to help and solve that.

Golf is fundamentally about being honest. I see people hit eight shots and tell me they shot five. I never say a word. It is a reminder to me of what is at stake.

You are equally responsible for your place in the culture, and you must make a contribution, and you must accept responsibility for what goes down on your watch. You have no excuse if you are a conservative not to be concerned about the environment. You are equally responsible.

My first civil disobedience arrest for social justice was in 1986 for protesting the SDI.

Oh you only fight the fights you can win? You fight the fights that need fighting!