Those who contemplate the beauty of the earth find reserves of strength that will endure as long as life lasts. There is something infinitely healing in the repeated refrains of nature -- the assurance that dawn comes after night, and spring after winter.
What is a weed? A plant whose virtues have never been discovered.
Man shapes himself through decisions that shape his environment.
There is a sufficiency in the world for man's need but not for man's greed.
Understanding the laws of nature does not mean that we are immune to their operations.
The struggle to save the global environment is in one way much more difficult than the struggle to vanquish Hitler, for this time the war is with ourselves. We are the enemy, just as we have only ourselves as allies.
The poetry of the earth is never dead.
The Truly Healthy environment is not merely safe but stimulating.
Your grandchildren will likely find it incredible - or even sinful - that you burned up a gallon of gasoline to fetch a pack of cigarettes!
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
We abuse land because we regard it as a commodity belonging to us. When we see land as a community to which we belong, we may begin to use it with love and respect.
In wilderness I sense the miracle of life, and behind it our scientific accomplishments fade to trivia.
We cannot command Nature except by obeying her.
The ultimate test of a moral society is the kind of world that it leaves to its children.
Adopt the pace of nature: her secret is patience.
I go to nature to be soothed and healed, and to have my senses put in order.
We shall require a substantially new manner of thinking if mankind is to survive.
There are no passengers on spaceship earth. We are all crew.
Climb the mountains and get their good tidings.
Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.
The wilderness and the idea of wilderness is one of the permanent homes of the human spirit.
An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment...
I love not man the less, but Nature more.
There is pleasure in the pathless woods, there is rapture in 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.
Great things are done when men and mountains meet.
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