Changing mass consciousness is an individual responsibility.

We don't have to sacrifice a strong economy for a healthy environment.

There can be no lasting peace, no security, nor can we as human beings begin to touch our full potential, as long as hunger overwhelms the human spirit around this planet.

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.

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.

Whatever we'll be forced to do later, we should be doing now.

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