The activist is not the man who says the river is dirty. The activist is the man who cleans up the river.
God made life simple. It is man who complicates it.
The old Lakota was wise. He knew that man's heart, away from nature, becomes hard; he knew that lack of respect for growing, living things soon led to lack of respect for humans too.
For the first time in the history of the world, every human being is now subjected to contact with dangerous chemicals, from the moment of conception until death.
Living in the midst of abundance we have the greatest difficulty in seeing that the supply of natural wealth is limited and that the constant increase of population is destined to reduce the American standard of living unless we deal more sanely with our resources.
We shall continue to have a worsening ecologic crisis until we reject the Christian axiom that nature has no reason for existence save to serve man.
The word "wilderness" occurs approximately three hundred times in the Bible, and all its meanings are derogatory.
We're finally going to get the bill for the Industrial Age. If the projections are right, it's going to be a big one: the ecological collapse of the planet.
Malthus has been buried many times, and Malthusian scarcity with him. But as Garrett Hardin remarked, anyone who has to be reburied so often cannot be entirely dead.
All things are bound together. All things connect.
Till now man has been up against Nature; from now on he will be up against his own nature.
The sun is the only safe nuclear reactor, situated as it is some ninety-three million miles away.
Our children may save us if they are taught to care properly for the planet; but if not, it may be back to the Ice Age or the caves from where we first emerged. Then we'll have to view the universe above from a cold, dark place. No more jet skis, nuclear weapons, plastic crap, broken pay phones, drugs, cars, waffle irons, or television. Come to think of it, that might not be a bad idea.
Nature provides a free lunch, but only if we control our appetites.
Economic advance is not the same thing as human progress.
In America today you can murder land for private profit. You can leave the corpse for all to see, and nobody calls the cops.
Humanity is on the march, earth itself is left behind.
If civilization has risen from the Stone Age, it can rise again from the Wastepaper Age.
When a man says to me, "I have the intensest love of nature," at once I know that he has none.
Waste not the smallest thing created, for grains of sand make mountains, and atomies infinity.
A human being is a part of the whole called by us universe, a part limited in time and space. He experiences himself, his thoughts and feeling as something separated from the rest, a kind of optical delusion of his consciousness. This delusion is a kind of prison for us, restricting us to our personal desires and to affection for a few persons nearest to us. Our task must be to free ourselves from this prison by widening our circle of compassion to embrace all living creatures and the whole of nature in its beauty.
We cannot command Nature except by obeying her.
Those who wish to pet and baby wild animals 'love' them. But those who respect their natures and wish to let them live normal lives, love them more.
If all mankind were to disappear, the world would regenerate back to the rich state of equilibrium that existed ten thousand years ago. If insects were to vanish, the environment would collapse into chaos.
To waste, to destroy our natural resources, to skin and exhaust the land instead of using it so as to increase its usefulness, will result in undermining in the days of our children the very prosperity which we ought by right to hand down to them amplified and developed.
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