One generation passeth away, and another generation cometh: but the earth abideth for ever.
--The Bible (Ecclesiastes 1:4)

To see a world in a grain of sand,
And a heaven in a wild flower,
Hold infinity in the palm of your hand,
And eternity in an hour.
--William Blake

There is a pleasure in the pathless woods,
There is a rapture on the lonely shore,
There is society, where none intrudes,
By the deep sea, and music in its roar:
I love not man the less, but Nature more.
--Lord Byron

Only when the last tree has died and the last river been poisoned and the last fish been caught will we realise we cannot eat money.
--Cree Proverb

Until a man duplicates a blade of grass, Nature can laugh at his so-called scientific knowledge. Remedies from chemicals will never stand in favorable comparison with the products of Nature, the living cell of a plant, the final result of the rays of the sun, the mother of all life.
--Thomas Alva Edison

What is a weed? A plant whose virtues have not yet been discovered.
--Ralph Waldo Emerson

When the well's dry, we know the worth of water.
-- Benjamin Franklin

Earth provides enough to satisfy every man's need, but not every man's greed.
-- Mahatma Gandhi

You must be the change you wish to see in the world.
-- Mahatma Gandhi

Mountains are earth's undecaying monuments.
--Nathaniel Hawthorne

The earth we abuse and the living things we kill will, in the end, take their revenge; for in exploiting their presence we are diminishing our future.
-- Marya Mannes

We won't have a society if we destroy the environment.
-- Margaret Mead

The ultimate test of man's conscience may be his willingness to sacrifice something today for future generations whose words of thanks will not be heard.
-- Gaylord Nelson

Conservation is humanity caring for the future.
-- Nancy Newhall

They have poisoned the Thames and killed the fish in the river. A little further development of the same wisdom and science will complete the poisoning of the air, and kill the dwellers on the banks. .... I almost think it is the destiny of science to exterminate the human race.
--Thomas Love Peacock (1860)

We do not inherit the earth from our ancestors; we borrow it from our children.
-- Native American Proverb

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.
-- Chief Seattle

Unless someone like you cares a whole awful lot, nothing is going to get better, it's not.
--Dr. Seuss (The Lorax)

If a man walks in the woods for love of them half of each day, he is in danger of being regarded as a loafer. But if he spends his days as a speculator, shearing off those woods and making the earth bald before her time, he is deemed an industrious and enterprising citizen.
-- Henry David Thoreau

I would feel more optimistic about a bright future for man if he spent less time proving that he can outwit Nature and more time tasting her sweetness and respecting her seniority.
-- E.B. White