And forget not that the earth delights to feel your bare feet and the winds long to play with your hair.
The proper use of science is not to conquer nature but to live in it.
I'm not an environmentalist. I'm an Earth warrior.
Nature, to be commanded, must be obeyed.
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.
The earth has a skin and that skin has diseases; one of its diseases is called man.
Until man duplicates a blade of grass, nature can laugh at his so-called scientific knowledge. Remedies from chemicals will never stand in favor compared with the products of nature, the living cell of the plant, the final result of the rays of the sun, the mother of all life.
An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment...
Climb the mountains and get their good tidings.
The use of solar energy has not been opened up because the oil industry does not own the sun.
A true conservationist is a man who knows that the world is not given by his fathers, but borrowed from his children.
And this, our life, exempt from public haunt, finds tongues in trees, books in the running brooks, sermons in stones, and good in everything.
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?
We shall require a substantially new manner of thinking if mankind is to survive.
To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.
Climb the mountains and get their good tidings. Nature's peace will flow into you as sunshine flows into trees. The winds will blow their own freshness into you, and the storms their energy, while cares will drop away from you like the leaves of Autumn.
Those who contemplate the beauty of the earth find reserves of strength that will endure as long as life lasts.
Celebrate Earth Day every day.
We do not inherit the earth from our ancestors; we borrow it from our children
Live in each season as it passes: breathe the air, drink the drink, taste the fruit.
Today I have grown taller from walking with the trees.
Oh Beautiful for smoggy skies, insecticided grain, For strip-mined mountain's majesty above the asphalt plain. America, America, man sheds his waste on thee, And hides the pines with billboard signs, from sea to oily sea.
It is already too late to avoid mass starvation.
Civilization will end within 15 or 30 years unless immediate action is taken against problems facing mankind.
I thank you God for this most amazing day, for the leaping greenly spirits of trees, and for the blue dream of sky and for everything which is natural, which is infinite, which is yes.
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