The use of solar energy has not been opened up because the oil industry does not own the sun.
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.
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.
God made life simple. It is man who complicates it.
Those who contemplate the beauty of the earth find reserves of strength that will endure as long as life lasts.
I love not man the less, but Nature more.
Hold infinity in the palm of your hand.
Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.
I believe in God, only I spell it Nature.
Till now man has been up against Nature; from now on he will be up against his own nature.
What is the use of a house if you haven't got a tolerable planet to put it on?
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.
The earth has a skin and that skin has diseases; one of its diseases is called man.
Suburbia is where the developer bulldozes out the trees, then names the streets after them.
Because we don't think about future generations, they will never forget us.
Man must feel the earth to know himself and recognize his values. God made life simple. It is man who complicates it.
There is nothing on God's green earth that someone won't complain about including both God and green earth.
Glance at the sun. See the moon and stars. Gaze at the beauty of the green earth. Now think.
There is just no way that I can understand in God's green earth that an airline could undertake with its normal procedures the operation of the Space Shuttle. . . . You don't put parachutes on airliners because the margin of safety is built into the machine. The 727 airplanes we fly are proven vehicles with levels of safety and redundancy built in. The shuttle is a hand-made piece of experimental gear.
To leave behind what was in reality a hell, and immediately have this good green earth revealed in more glory than most men ever see it, was one of the compensating privileges which make me feel that my suffering was worthwhile.
We have to wear clothes, a requirement of custom, but more time, temper, character, and peace of mind, not to mention money, have been sacrificed to them than to any other altar on this green earth, and for what?
An angel visited the green earth, and took a flower away.
W. B. Yeats has created, if not a new world, a new star. He is not a reporter of life as it is, to the extent that Shakespeare or Browning is. One is not quite certain that his kingdom is of the green earth. He is like a man who has seen the earth not directly but in a crystal.
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