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Home > Category Index for Science Quotations > Category Index S > Category: Shade

Shade Quotes (22 quotes)

Question: Account for the delicate shades of colour sometimes seen on the inside of an oyster shell. State and explain the appearance presented when a beam of light falls upon a sheet of glass on which very fine equi-distant parallel lines have been scratched very close to one another.
Answer: The delicate shades are due to putrefaction; the colours always show best when the oyster has been a bad one. Hence they are considered a defect and are called chromatic aberration.
The scratches on the glass will arrange themselves in rings round the light, as any one may see at night in a tram car.
Genuine student answer* to an Acoustics, Light and Heat paper (1880), Science and Art Department, South Kensington, London, collected by Prof. Oliver Lodge. Quoted in Henry B. Wheatley, Literary Blunders (1893), 182, Question 27. (*From a collection in which Answers are not given verbatim et literatim, and some instances may combine several students' blunders.)
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A society grows great when old men plant trees whose shade they know they shall never sit in.
In recent years, this has been widely quoted and cited as an (ancient?) Greek proverb. Seen, for example in, Violence on Television: Hearings Before the House Committee on Energy and Commerce, Subcommittee on Telecommunications and Finance (1994), 340. Webmaster however has so far found no example of this wording in, say, 19th century quotation collections. Which leaves the authenticity of the citation in question. Variations exist (for example “The beginning of wisdom comes when a person plants trees, the shade under which they know they will never sit.” (1993) or “Thoughtless men might ask why an old man plants a tree when he may never hope to sit in its shade” (1954).) However, the general sentiment has indeed existed for a long time. For example, “He that plants Trees, loves others besides himself,” collected in Thomas Fuller, Gnomologia: Adagies and Proverbs (1731), 91, No. 2248.
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Although the ocean’s surface seems at first to be completely homogeneous, after half a month we began to differentiate various seas and even different parts of oceans by their characteristic shades. We were astonished to discover that, during an flight, you have to learn anew not only to look, but also to see. At first the finest nuances of color elude you, but gradually your vision sharpens and your color perception becomes richer, and the planet spreads out before you with all its indescribable beauty.
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But, as we consider the totality of similarly broad and fundamental aspects of life, we cannot defend division by two as a natural principle of objective order. Indeed, the ‘stuff’ of the universe often strikes our senses as complex and shaded continua, admittedly with faster and slower moments, and bigger and smaller steps, along the way. Nature does not dictate dualities, trinities, quarterings, or any ‘objective’ basis for human taxonomies; most of our chosen schemes, and our designated numbers of categories, record human choices from a cornucopia of possibilities offered by natural variation from place to place, and permitted by the flexibility of our mental capacities. How many seasons (if we wish to divide by seasons at all) does a year contain? How many stages shall we recognize in a human life?
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Exits sun; enters moon.
This moon is never alone.
Stars are seen all around.
These twinklers do not make a sound.
The tiny ones shine from their place.
Mother moon watches with a smiling face.
Its light is soothing to the eyes.
Night’s darkness hides its face.
Cool and calm is its light.
Heat and sweat are never felt.
Some days, moon is not seen.
Makes kids wonder, where had it been?
Partial eclipse shades the moon.
In summers it does not arrive soon.
Beautiful is this milky ball.
It is the love of one and all.
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Hide not your talents, they for use were made. What’s a sundial in the shade?
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I have enjoyed the trees and scenery of Kentucky exceedingly. How shall I ever tell of the miles and miles of beauty that have been flowing into me in such measure? These lofty curving ranks of lobing, swelling hills, these concealed valleys of fathomless verdure, and these lordly trees with the nursing sunlight glancing in their leaves upon the outlines of the magnificent masses of shade embosomed among their wide branches—these are cut into my memory to go with me forever.
John Muir
Letter, written “among the hills of Bear Creek, seven miles southeast of Burkesville, Kentucky” (Sep 1867). In John Muir and William Frederick Badé (Ed.), A Thousand-Mile Walk to the Gulf (1916), xix. This was by far Muir's longest botanical excursion made in his earlier years.
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I have seen oaks of many species in many kinds of exposure and soil, but those of Kentucky excel in grandeur all I had ever before beheld. They are broad and dense and bright green. In the leafy bowers and caves of their long branches dwell magnificent avenues of shade, and every tree seems to be blessed with a double portion of strong exulting life.
John Muir
Notebook entry, (2 Sep 1867). In A Thousand-Mile Walk to the Gulf (1916), xix. This was the first day of Muir's journey, which he had began at Louisville, Kentucky.
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In shades of black and blue the skies do bow as darkness falls the lights go out.
Nature softly immersed in glee as all mankind drifts off to sleep.
Water breathes a sigh of relief now aquatic creatures can do as they please.
Animals whether large or small regain the natural instincts that man has fought.
The moon shines bright he’s happy too people can’t over-ride his rules.
Midnight calms the wounds of the world the break of dawn disperses new hope...
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My first view - a panorama of brilliant deep blue ocean, shot with shades of green and gray and white - was of atolls and clouds. Close to the window I could see that this Pacific scene in motion was rimmed by the great curved limb of the Earth. It had a thin halo of blue held close, and beyond, black space. I held my breath, but something was missing - I felt strangely unfulfilled. Here was a tremendous visual spectacle, but viewed in silence. There was no grand musical accompaniment; no triumphant, inspired sonata or symphony. Each one of us must write the music of this sphere for ourselves.
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Never in its life has the sun seen shade,
Never in its life seen a shadow where it falls:
There, always there, in the sun-swept glade,
It lurks below the leaf; behind bodies, under walls,
Creeps, clings, hides. Be it millions, be it one—
The sun sees no shadow, and no shadow sees the sun.
Poem, as quoted in Arthur E. Shipley, Life: A Book for Elementary Students (1925, 2013), 31.
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Painting the desert, sun-setting the tone
Starving backstage, morning-stars are jaded
The moonshine murmur still shivers alone
Curved slice of sliver, shear breath shadows stone
Suspending twilight shiny and shaded
Painting the desert, sun-setting the tone
Carving solace into silver in June
On horizons’ glow from forgotten gold
The moonshine’s’ shilling delivers alone
Gleaming duels of knights, pierce deathly silence
Steel tines of starlight, clashing swords they hold
Painting the desert, sun-setting the tone
Dimples aware, sparkle sand on the dune
Winking at comets, after tails are told
The moon-sand whispers, sift rivers alone
Sharpness they hone, filing skills onto stone
Starlight dazzles, its own space created
Painting the desert, sun-setting the tone
From owls’ talon, moonlight shimmers alone
Earth Man
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Teach me your mood,
O patient stars.
Who climb each night,
the ancient sky.
leaving on space no shade, no scars,
no trace of age, no fear to die.
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The attempted synthesis of paleontology and genetics, an essential part of the present study, may be particularly surprising and possibly hazardous. Not long ago, paleontologists felt that a geneticist was a person who shut himself in a room, pulled down the shades, watched small flies disporting themselves in milk bottles, and thought that he was studying nature. A pursuit so removed from the realities of life, they said, had no significance for the true biologist. On the other hand, the geneticists said that paleontology had no further contributions to make to biology, that its only point had been the completed demonstration of the truth of evolution, and that it was a subject too purely descriptive to merit the name 'science'. The paleontologist, they believed, is like a man who undertakes to study the principles of the internal combustion engine by standing on a street corner and watching the motor cars whiz by.
Tempo and Mode in Evolution (1944), 1.
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The colors are stunning. In a single view, I see - looking out at the edge of the earth: red at the horizon line, blending to orange and yellow, followed by a thin white line, then light blue, gradually turning to dark blue and various gradually darker shades of gray, then black and a million stars above. It’s breathtaking.
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The forest is a peculiar organism of unlimited kindness and benevolence that makes no demands for its sustenance and extends generously the products of its life activity; it provides protection to all beings, offering shade even to the axeman who destroys it.
In Sergius Alexander Wilde, Forest Soils and Forest Growth (1946), 6.
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There are no shade trees on the road to success.
Anonymous
In E.C. McKenzie, 14,000 Quips and Quotes for Speakers, Writers, Editors, Preachers, and Teachers (1990), 482.
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Very great charm of shadow and light is to be found in the faces of those who sit in the doors of dark houses. The eye of the spectator sees that part of the face which is in shadow lost in the darkness of the house, and that part of the face which is lit draws its brilliancy from the splendor of the sky. From this intensification of light and shade the face gains greatly in relief and beauty by showing the subtlest shadows in the light part and the subtlest lights in the dark part.
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What do we plant when we plant the tree?
We plant the ship, which will cross the sea.
We plant the mast to carry the sails;
We plant the planks to withstand the gales—
The keel, the keelson, and beam and knee;
We plant the ship when we plant the tree.

What do we plant when we plant the tree?
We plant the houses for you and me.
We plant the rafters, the shingles, the floors,
We plant the studding, the lath, the doors,
The beams and siding, all parts that be;
We plant the house when we plant the tree.

What do we plant when we plant the tree?
A thousand things that we daily see;
We plant the spire that out-towers the crag,
We plant the staff for our country's flag,
We plant the shade, from the hot sun free;
We plant all these when we plant the tree.
(Feb 1890) In The Poems of Henry Abbey (1895), 262.
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What is the purpose of the giant sequoia tree? The purpose of the giant sequoia tree is to provide shade for the tiny titmouse.
In 'Philosophy, Religion, and So Forth', A Voice Crying in the Wilderness (1989), 12.
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When Bonner writes that ‘natural selection for optimal feeding is then presumed to be the cause of non-motility in all forms,’ I can’t help suspecting that some plants might do even better if they could walk from shade to sun–but the inherited constraints of design never permitted a trial of this intriguing option.
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When the sun is covered by clouds, objects are less conspicuous, because there is little difference between the light and shade of the trees and the buildings being illuminated by the brightness of the atmosphere which surrounds the objects in such a way that the shadows are few, and these few fade away so that their outline is lost in haze.
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Science quotes on:  |  Atmosphere (79)  |  Brightness (9)  |  Buildings (4)  |  Cloud (69)  |  Conspicuous (7)  |  Cover (37)  |  Difference (246)  |  Fade (9)  |  Haze (3)  |  Illuminate (24)  |  Less (102)  |  Light (345)  |  Little (184)  |  Lose (93)  |  Object (169)  |  Outline (11)  |  Shadow (52)  |  Sun (276)  |  Surround (29)  |  Tree (170)


Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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- 100 -
Sophie Germain
Gertrude Elion
Ernest Rutherford
James Chadwick
Marcel Proust
William Harvey
Johann Goethe
John Keynes
Carl Gauss
Paul Feyerabend
- 90 -
Antoine Lavoisier
Lise Meitner
Charles Babbage
Ibn Khaldun
Euclid
Ralph Emerson
Robert Bunsen
Frederick Banting
Andre Ampere
Winston Churchill
- 80 -
John Locke
Bronislaw Malinowski
Bible
Thomas Huxley
Alessandro Volta
Erwin Schrodinger
Wilhelm Roentgen
Louis Pasteur
Bertrand Russell
Jean Lamarck
- 70 -
Samuel Morse
John Wheeler
Nicolaus Copernicus
Robert Fulton
Pierre Laplace
Humphry Davy
Thomas Edison
Lord Kelvin
Theodore Roosevelt
Carolus Linnaeus
- 60 -
Francis Galton
Linus Pauling
Immanuel Kant
Martin Fischer
Robert Boyle
Karl Popper
Paul Dirac
Avicenna
James Watson
William Shakespeare
- 50 -
Stephen Hawking
Niels Bohr
Nikola Tesla
Rachel Carson
Max Planck
Henry Adams
Richard Dawkins
Werner Heisenberg
Alfred Wegener
John Dalton
- 40 -
Pierre Fermat
Edward Wilson
Johannes Kepler
Gustave Eiffel
Giordano Bruno
JJ Thomson
Thomas Kuhn
Leonardo DaVinci
Archimedes
David Hume
- 30 -
Andreas Vesalius
Rudolf Virchow
Richard Feynman
James Hutton
Alexander Fleming
Emile Durkheim
Benjamin Franklin
Robert Oppenheimer
Robert Hooke
Charles Kettering
- 20 -
Carl Sagan
James Maxwell
Marie Curie
Rene Descartes
Francis Crick
Hippocrates
Michael Faraday
Srinivasa Ramanujan
Francis Bacon
Galileo Galilei
- 10 -
Aristotle
John Watson
Rosalind Franklin
Michio Kaku
Isaac Asimov
Charles Darwin
Sigmund Freud
Albert Einstein
Florence Nightingale
Isaac Newton



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