A true conservationist is a man who knows that the world is not given by his fathers, but borrowed from his children.
We cannot command Nature except by obeying her.
We forget that the water cycle and the life cycle are one.
The more clearly we can focus our attention on the wonders and realities of the universe about us, the less taste we shall have for destruction.
Nature is painting for us, day after day, pictures of infinite beauty.
We make the world we live in and shape our own environment.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
Man's heart away from nature becomes hard.
The activist is not the man who says the river is dirty. The activist is the man who cleans up the river.
Our environment, the world in which we live and work, is a mirror of our attitudes and expectations.
When we try to pick out anything by itself, we find it hitched to everything else in the universe.
How wonderful it is that nobody need wait a single moment before starting to improve the world.
We abuse land because we regard it as a commodity belonging to us. When we see land as a community to which we belong, we may begin to use it with love and respect.
Conservation is a state of harmony between men and land.
When one tugs at a single thing in nature, he finds it attached to the rest of the world.
Earth provides enough to satisfy every man's needs, but not every man's greed.
We shall require a substantially new manner of thinking if mankind is to survive.
Dear future generations: Please accept our apologies. We were rolling drunk on petroleum.
Be careful the environment you choose for it will shape you; be careful the friends you choose for you will become like them.
Humankind has not woven the web of life. We are but one thread within it. Whatever we do to the web, we do to ourselves. All things are bound together. All things connect.
We do not inherit the earth from our ancestors; we borrow it from our children
We won't have a society if we destroy the environment.
I think the environment should be put in the category of our national security. Defense of our resources is just as important as defense abroad. Otherwise what is there to defend?
The only way forward, if we are going to improve the quality of the environment, is to get everybody involved.
Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.
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