Let the mountains talk, let the river run. Once more, and forever.

Have fun saving the world, or you are just going to depress yourself.

Once we open the door to the plutonium economy, we expose ourselves to absolutely terrible, horrifying risks from these people.

I don't think we have very good records about what they were thinking except, as I pointed out earlier today, that they did invent our political system.

We must begin thinking like a river if we are to leave a legacy of beauty and life for future generations.

You don't have a conservation policy unless you have a population policy.

To me, a wilderness is where the flow of wildness is essentially uninterrupted by technology; without wilderness the world is a cage.