In wilderness is the preservation of the world.
— Henry David Thoreau
We have met the enemy and he is us.
— Walt Kelly
I believe in God, only I spell it Nature.
— Frank Lloyd Wright
When one tugs at a single thing in nature, he finds it attached to the rest of the world.
— John Muir
We do not inherit the earth from our ancestors, we borrow it from our children.
— Native American Proverb
The proper use of science is not to conquer nature but to live in it.
— Barry Commoner
Fall is my favorite season in Los Angeles, watching the birds change color and fall from the trees.
— David Letterman
He that plants trees loves others beside himself.
— Thomas Fuller
The use of solar energy has not been opened up because the oil industry does not own the sun.
— Ralph Nader
There is a great need for the introduction of new values in our society, where bigger is not necessarily better, where slower can be faster, and where less can be more.
— Gaylord Nelson
Never doubt that a small group of thoughtfully committed citizens can change the world. Indeed, it’s the only thing that ever has.
— Margaret Mead
For 200 years we’ve been conquering nature. Now we’re beating it to death.
— Tom McMillan
Why should I care about future generations? What have they ever done for me?
— Groucho Marx