We need the sea. We need a place to stand and touch and listen - to feel the pusle of the world as the surf rolls in.

The more we pour the big machines, the fuel, the pesticides, the herbicides, the fertilizer and chemicals into farming, the more we knock out the mechanism that made it all work in the first place.

All technology should be assumed guilty until proven innocent

Overpopulation is perhaps the biggest problem facing us, and immigration is part of that problem. It has to be addressed.

Truth and beauty can still win battles. We need more art, more passion, more wit in defense of the Earth.

Sometimes luck is with you, and sometimes not, but the important thing is to take the dare. Those who climb mountains or raft rivers understand this.

Understanding how DNA transmits all it knows about cancer, physics, dreaming and love will keep man searching for some time.

We are no longer inheriting the Earth from our parents, we are stealing it from our children.

Without wilderness, the world's a cage.

Apollo 13, as you may remember, gave us a reactor that is bubbling away right now somewhere in the Pacific. It's supposed to be bubbling away on the moon, but it's in the Pacific Ocean instead.

Bring diversity back to agriculture. That's what made it work in the first place.

If you dare take the challenge, you will possess the courage to conquer.

If you hire people just because they can do a job, they’ll work for your money. But if you hire people who believe what you believe, they’ll work for you with blood and sweat and tears.

Never follow a follower who is following someone who has fallen. It's why the whole world is falling apart.

By the time they're ready to be thrown away, most shoes are thoroughly comfortable

People like us don't go out at night cause people like them see us for what we are

You disappoint yourself more often by not doing things because of cowardice and temerity than you ever did by doing things that turn out to be wrong.

When I lose, I take it very personally.

I really love being a character actor.

At the root of all the harm we cause is ignorance.

The end of a life is always vivifying.