If you talk to the animals they will talk with you and you will know each other. If you do not talk to them you will not know them and what you do not know, you will fear. What one fears, one destroys.
— Chief Dan George
Reckoning Destroying The Earth quotations
When I orbited the Earth in a spaceship, I saw for the first time how beautiful our planet is. Mankind, let us preserve and increase this beauty, and not destroy it!

The earth which sustains humanity must not be injured. It must not be destroyed!

We are the most dangerous species of life on the planet, and every other species, even the earth itself, has cause to fear our power to exterminate. But we are also the only species which, when it chooses to do so, will go to great effort to save what it might destroy.
Any fool can destroy trees, they cannot run away.
I have no notions of a perfect society, I don’t know what that means.
I know we can do much better than what we’ve got, I’m no utopian, I’m not a humanist that would like to see everybody living in warmth and harmony: I know that if we don’t live that way, we’ll kill each other and destroy the Earth.

Unless we change our food choices, nothing else matters.
Because it is meat that is destroying most of our forests. It is meat that pollutes the waters. It is meat that is creating disease which leads to all our money being diverted to hospitals. So, it's the first choice for anybody who wants to save the Earth.
The world is a hellish place, and bad writing is destroying the quality of our suffering.
One-fourth of humanity must be eliminated from the social body.
We are in charge of God's selection process for planet Earth. He selects, we destroy. We are the riders of the pale horse, Death.

The earth will not continue to offer its harvest, except with faithful stewardship. We cannot say we love the land and then take steps to destroy it for use by future generations.
If this earth should ever be destroyed, it will be by desire, by the lust of pleasure and self-gratification, by greed of the green frog skin, by people who are mindful of their own self, forgetting about the wants of others.
We're just a conceited, naked ape. But in our minds we're some sort of "divine legend," and we see ourselves as some sort of god. That we can walk around the earth deciding who will live and who will die and what will be destroyed and what will be saved. But the fact is we're just a bunch of primates out of control.

No power on this earth can destroy the thirst for human dignity
The earth will end only when God declares it's time to be over.
Man will not destroy this earth. This earth will not be destroyed by a flood.
The beauty and genius of a work of art may be reconceived, though its first material expression be destroyed; a vanished harmony may yet again inspire the composer; but when the last individual of a race of living things breathes no more, another heaven and another earth must pass before such a one can be again.

You think you can destroy the planet? What intoxicating vanity.
. . . . We've been residents here for the blink of an eye. If we're gone tomorrow, the earth will not miss us.
Man has lost the capacity to foresee and to forestall. He will end by destroying the earth.
For, according to the teachings of Islam, moral knowledge automatically forces moral responsibility upon man. A mere Platonic discernment between Right and Wrong, without the urge to promote Right and to destroy Wrong, is a gross immorality in itself, for morality lives and dies with the human endeavour to establish its victory upon earth.

War must be, while we defend our lives against a destroyer who would devour all.
I will not kill or hurt any living creature needlessly, nor destroy any beautiful thing, but will strive to save and comfort all gentle life, and guard and perfect all natural beauty upon the earth.
From a scientific perspective there is some indication that a nuclear war could deplete the earth's ozone layer or, less likely, could bring on a new Ice Age - but there is no suggestion that either the created order or mankind would be destroyed in the process.

My world, my Earth is a ruin. A planet spoiled by the human species. We multiplied and fought and gobbled until there was nothing left, and then we died. We controlled neither appetite nor violence; we did not adapt. We destroyed ourselves. But we destroyed the world first.
The world needs to listen to the cry of the earth, which is asking for help.
If you carry on killing people and you continue to destroy nature and you take out all the oil, the minerals and the wood, our planet will become ill and we’ll all die.
How can we be so arrogant? The planet is, was, and always will be stronger than us. We can't destroy it; if we overstep the mark, the planet will simply erase us from its surface and carry on existing. Why don't they start talking about not letting the planet destroy us?

We can build an economy that does not destroy its natural support systems, a global community where the basic needs of all the Earth's people are satisfied, and a world that will allow us to think of ourselves as civilized. This is entirely doable.
With breathtaking rapidity, we are destroying all that was lovely to look at and turning America into a prison house of the spirit. The affluent society, with relentless single-minded energy, is turning our cities, most of suburbia and most of our roadways into the most affluent slum on earth.
The earth should not be injured. The earth should not be destroyed. As often as the elements, the elements of the world are violated by ill treatment, so God will cleanse them thru the sufferings, thru the hardships of mankind.

When I was in the White House, I was confronted with the challenge of the Cold War. Both the Soviet Union and I had 30,000 nuclear weapons that could destroy the entire earth and I had to maintain the peace.
Not till I was shut up to prayer and to the study of God's word by the loss of earthly joys sickness destroying the flavor of them all did I begin to penetrate the mystery that is learned under the cross. And wondrous as it is, how simple is this mystery! To love Christ, and to know that I love Him this is all.
It is not man the ecological crisis threatens to destroy but the quality of human life.

Capitalism is destroying the earth.
Here we are, arguably the most intelligent being that's ever walked planet Earth, with this extraordinary brain ... and yet we're destroying the only home we have.
If plural marriage be divine, as the Latter-day Saints say it is, no power on earth can suppress it, unless you crush and destroy the entire people.
The doctrine that might makes right has covered the earth with misery.
While it crushes the weak, it also destroys the strong. Every deceit, every cruelty, every wrong, reaches back sooner or later and crushes its author. Justice is moral health, bringing happiness, wrong is moral disease, bringing mortal death.
Human beings are so destructive. I sometimes think we're a kind of plague, that will scrub the earth clean. We destroy things so well that I sometimes think, maybe that's our function. Maybe every few eons, some animal comes along that kills off the rest of the world, clears the decks, and lets evolution proceed to its next phase.