1. Proverb - “The best and shortest road towards knowledge of truth is Nature.”

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2. The Bible - “Speak to the earth, and it shall teach thee.”

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3. Proverb - “Where man is not, nature is barren.”

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4. William Wordsworth - “Come forth into the light of things, Let Nature be your teacher.”

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5. Edward O. Wilson - “Nature holds the key to our aesthetic, intellectual, cognitive and even spiritual satisfaction.”

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6. Oscar Wilde - “To be natural is such a very difficult pose to keep up.”

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7. Walt Whitman - “O to be self-balanced for contingencies, To confront night, storms, hunger, ridicule, accidents, rebuffs as the trees and the animals do.”

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8. Henry David Thoreau - “Nature abhors a vacuum, and if I can only walk with sufficient carelessness I am sure to be filled.”

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9. Henry David Thoreau - “It is the marriage of the soul with Nature that makes the intellect fruitful, and gives birth to imagination.”

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10. Henry David Thoreau - “Nature will bear the closest inspection. She invites us to lay our eye level with her smallest leaf, and take an insect view of its plain.”

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11. Francis Thompson - “One could not pluck a flower without troubling a star.”

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12. Edwin Way Teale - “For man, autumn is a time of harvest, of gathering together. For nature, it is a time of sowing, of scattering abroad.”

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13. Wallace Stevens - “Perhaps the truth depends on a walk around the lake.”

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14. Lucius Annaeus Seneca - “For greed all nature is too little.”

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15. Chief Seattle - “The earth does not belong to man, man belongs to the earth.”

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16. George Santayana - “By nature's kindly disposition most questions which it is beyond a man's power to answer do not occur to him at all.”

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17. John Ruskin - “Of all the things that oppress me, this sense of the evil working of nature herself — my disgust at her barbarity —clumsiness — darkness — bitter mockery of herself — is the most desolating.”

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18. William D. Ruckelshaus - “Nature provides a free lunch, but only if we control our appetites.”

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19. Theodore Roosevelt - “To waste, to destroy, our natural resources, to skin and exhaust the land instead of using it so as to increase its usefulness, will result in undermining in the days of our children the very prosperity which we ought by right to hand down to them amplified and developed.”

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20. Theodore Roethke - “All finite things reveal infinitude: The mountain with its singular bright shade Like the blue shine on freshly frozen snow, The after–light upon ice–burdened pines; Odor of basswood upon a mountain slope, A scene beloved of bees; Silence of water above a sunken tree: The pure serene of memory of one man,— A ripple widening from a single stone Winding around the waters of the world.”

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21. Blaise Pascal - “Nature is an infinite sphere whose center is everywhere and whose circumference is nowhere.”

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22. Blaise Pascal - “Nature is an infinite sphere of which the center is everywhere and the circumference nowhere.”

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23. Thomas Paine - “Man must go back to nature for information.”

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24. John Muir - “This grand show is eternal. It is always sunrise somewhere; the dew is never all dried at once; a shower is forever falling; vapor is ever rising. Eternal sunrise, eternal sunset, eternal dawn and glowing, on sea and continues and islands, each in its turn, as the round earth rolls.”

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25. John Muir - “The clearest way into the Universe is through a forest wilderness.”

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