The ability to simplify means to eliminate the unnecessary so that the necessary may speak.
How wonderful it is that nobody need wait a single moment before starting to improve the world.
There are no passengers on spaceship earth. We are all crew.
Look deep into nature, and then you will understand everything better.
When one tugs at a single thing in nature, he finds it attached to the rest of the world.
Keep close to Nature's heart... and break clear away, once in awhile, and climb a mountain or spend a week in the woods. Wash your spirit clean.
We never know the worth of water till the well is dry.
I go to nature to be soothed and healed, and to have my senses put in order.
Earth and Sky, Woods and Fields, Lakes and Rivers, the Mountain and the Sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.
I am only one, but I am one. I cannot do everything, but I can do something. And I will not let what I cannot do interfere with what I can do. And by the grace of God, I will.
The more clearly we can focus our attention on the wonders and realities of the universe about us, the less taste we shall have for destruction.
The universe is not required to be in perfect harmony with human ambition.
Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction.
Man is a complex being: he makes deserts bloom - and lakes die.
Peace and justice are two sides of the same coin.
The supreme reality of our time is the vulnerability of our planet.
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?
Man's heart away from nature becomes hard.
The use of solar energy has not been opened up because the oil industry does not own the sun.
Thank God men cannot fly, and lay waste the sky as well as the earth.
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.
Unless we free ourselves from a dependence on these fossil fuels... we are condemning future generations to global catastrophe
The activist is not the man who says the river is dirty. The activist is the man who cleans up the river.
Nobody made a greater mistake than he who did nothing because he could do only a little.
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.
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