But the "wise" person understands something else— that we are all connected and, therefore, his or her own happiness must include the happiness of others.

If we were driving pure hydrogen automobiles, that automobile would actually help clean up the air because the air coming out of the exhaust would be cleaner than the air going into the engine intake.

The Age of Oil has really exhausted its usefulness, and it has actually become a danger to our lives and our ability to survive on the planet.

It's fun to be a little bit different in the world, to make a few new trails of your own.

Coming back to a television series puts you back in the limelight and gives you a platform for your ideas. If you're not acting on a series, you don't get the ability to communicate to people.

The earth is a tremendous gift. There is nothing else like it in the known universe. I want to leave it the way I found it.

Years ago on the set of Gunsmoke I read the book The Holy Science. Since then I have not eaten meat.