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 won't have a society if we destroy the environment.
We do not inherit the earth from our ancestors; we borrow it from our children
Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.
The earth has a skin and that skin has diseases; one of its diseases is called man.
Nature is painting for us, day after day, pictures of infinite beauty.
Earth provides enough to satisfy every man's needs, but not every man's greed.
Nature provides a free lunch, but only if we control our appetites.
We cannot command Nature except by obeying her.
Nature provides exceptions to every rule.
All things are bound together. All things connect.
If civilization has risen from the Stone Age, it can rise again from the Wastepaper Age.
There are no passengers on spaceship earth. We are all crew.
God made life simple. It is man who complicates it.
Water is H2O, hydrogen two parts, oxygen one, but there is also a third thing, that makes it water and nobody knows what that is.
Your grandchildren will likely find it incredible - or even sinful - that you burned up a gallon of gasoline to fetch a pack of cigarettes!
We owe our lives to the sun... How is it, then, that we feel no gratitude?
When a man says to me, "I have the intensest love of nature," at once I know that he has none.
The famous balance of nature is the most extraordinary of all cybernetic systems. Left to itself, it is always self-regulated.
They kill good trees to put out bad newspapers.
In America today you can murder land for private profit. You can leave the corpse for all to see, and nobody calls the cops.
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?
Economic advance is not the same thing as human progress.
If we use resources productively and take to heart the lessons learned from coping with the energy crisis, we face a future confronted only, as Pogo, once said, by insurmountable opportunities. The many crises facing us should be seen, then, not as threats, but as chances to remake the future so it serves all beings.
Till now man has been up against Nature; from now on he will be up against his own nature.
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