There are no passengers on spaceship earth. We are all crew.
Marshall McLuhan

There is a muscular energy in sunlight corresponding to the spiritual energy of wind.
Annie Dillard

There is no forgiveness in nature.
Ugo Betti

There is nothing in a caterpillar that tells you it's going to be a butterfly.
R. Buckminster Fuller

There is nothing in which the birds differ more from man than the way in which they can build and yet leave a landscape as it was before.
Robert Wilson Lynd

There is that in the glance of a flower which may at times control the greatest of creation's braggart lords.
John Muir

There's always a period of curious fear between the first sweet-smelling breeze and the time when the rain comes cracking down.
Don DeLillo

Those little nimble musicians of the air, that warble forth their curious ditties, with which nature hath furnished them to the shame of art.
Izaak Walton

To be interested in the changing seasons is a happier state of mind than to be hopelessly in love with spring.
George Santayana

To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.
Wendell Berry

To me a lush carpet of pine needles or spongy grass is more welcome than the most luxurious Persian rug.
Helen Keller

To sit in the shade on a fine day and look upon verdure is the most perfect refreshment.
Jane Austen

Trees are the earth's endless effort to speak to the listening heaven.
Rabindranath Tagore

Understanding the laws of nature does not mean that we are immune to their operations.
David Gerrold

Unless a tree has borne blossoms in spring, you will vainly look for fruit on it in autumn.
Walter Scott

We cannot command Nature except by obeying her.
Francis Bacon

We do not see nature with our eyes, but with our understandings and our hearts.
William Hazlitt

What makes a river so restful to people is that it doesn't have any doubt - it is sure to get where it is going, and it doesn't want to go anywhere else.
Hal Boyle

When I have a terrible need of - shall I say the word - religion. Then I go out and paint the stars.
Vincent Van Gogh

When I see a bird that walks like a duck and swims like a duck and quacks like a duck, I call that bird a duck.
James Whitcomb Riley