I don't run a car, have never run a car. I could say that this is because I have this extremely tender environmentalist conscience, but the fact is I hate driving.

No one will protect what they don't care about, and no one will care about what they have never experienced.

The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.

Instead of controlling the environment for the benefit of the population, perhaps we should control the population to ensure the survival of our environment

What humans do over the next 50 years will determine the fate of all life on the planet.

Anyone who believes in indefinite growth on a physically finite planet is either mad or an economist

The World is full of wonders, but they become more Wonderful, not less Wonderful when Science looks at them.

The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?

How could I look my grandchildren in the eye and say I knew what was happening to the world and did nothing.

Bringing nature into the classroom can kindle a fascination and passion for the diversity of life on earth and can motivate a sense of responsibility to safeguard it.

I just wish the world was twice as big and half of it was still unexplored.

Preventive war was an invention of Hitler. I would not even listen to anyone seriously that came and talked about such a thing.

The best thing we could have done for Afghanistan was to get out of our Humvees and drink more green chai. We should have focused less on finding the enemy, and more on finding our friends.

Beauty is like the storm. Beauty has its natural motions. A calmness of spirit signals its arrival. Its departure is marked by misery.

Until you realize who you are, you will not be able to start living the life you are intended to live

People do not change, they are merely revealed.

When I dont have a good time making music, I think of quitting a lot. I really do. I can create something else. Ill do something else.

There's a tradition of reenactment in documentary which is about sort of illustrating what the past might have been like.

I have made noise enough in the world already, perhaps too much, and am now getting old, and want retirement.

We grant no dukedoms to the few, We hold like rights and shall; Equal on Sunday in the pew, On Monday in the mall. For what avail the plough or sail, Or land, or life, if freedom fail?

It was the character of the Packers, man. We played for sixty minutes. We let it all hang out. There was no tomorrow for us. We got the adrenaline flowing, and we just let it go, man.