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Who said: “The path towards sustainable energy sources will be long and sometimes difficult. But America cannot resist this transition, we must lead it... That is how we will preserve our planet, commanded to our care by God. That’s what will lend meaning to the creed our fathers once declared.”
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Home > Category Index for Science Quotations > Category Index S > Category: Salt

Salt Quotes (16 quotes)

Carl Sagan quote A Subject Called Chemistry
Wellington College. CC by-NC 2.0 (source)

A bewildering assortment of (mostly microscopic) life-forms has been found thriving in what were once thought to be uninhabitable regions of our planet. These hardy creatures have turned up in deep, hot underground rocks, around scalding volcanic vents at the bottom of the ocean, in the desiccated, super-cold Dry Valleys of Antarctica, in places of high acid, alkaline, and salt content, and below many meters of polar ice. ... Some deep-dwelling, heat-loving microbes, genetic studies suggest, are among the oldest species known, hinting that not only can life thrive indefinitely in what appear to us totally alien environments, it may actually originate in such places.
In Life Everywhere: the Maverick Science of Astrobiology (2002), xi.
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A bilious philosopher’s opinion of the world can only be accepted with a pinch of salt, of Epsom salt by preference.
From essay in Proper Studies: The Proper Study of Mankind Is Man (1927). Extract published in Vanity Fair (1927), 28, No. 4, 100.
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A marine protozoan is an aqueous salty system in an aqueous salty medium, but a man is an aqueous salty system in a medium in which there is but little water and most of that poor in salts.
Quoted in Larry R. Squire (ed.), The History of Neuroscience in Autobiography (1996), Vol. 1, 558.
Science quotes on:  |  Man (258)  |  Marine Biology (11)  |  Medium (7)  |  Protozoan (2)  |  System (67)  |  Water (116)

Cheese and salt meat, should be sparingly eat.
In Poor Richard's Almanack (1733).
Science quotes on:  |  Cheese (5)  |  Diet (23)  |  Eating (12)  |  Health (92)  |  Meat (5)

Chlorine is a deadly poison gas employed on European battlefields in World War I. Sodium is a corrosive metal which burns upon contact with water. Together they make a placid and unpoisonous material, table salt. Why each of these substances has the properties it does is a subject called chemistry.
Broca's Brain: The Romance of Science (1979), footnote. Excerpt reprinted as 'Can We Know the Universe? Reflections on a Grain of Salt,' in John Carey, Eyewitness to Science (1997), 437.
Science quotes on:  |  Chemistry (143)  |  Chlorine (7)  |  Gas (30)  |  Poison (23)  |  Property (46)  |  Sodium (9)  |  Substance (37)  |  War (74)  |  Weapon (33)

From common salt are obtained chemically as primary derivatives chlorine—both a war gas and a means of purifying water; and 'caustic soda.' … [O]n the chlorine side there is obtained chloride of lime, (a bleaching powder and a disinfectant), chloroform (an anesthetic), phosgene (a frightful ware gas), chloroacetophenone (another war gas), and an indigo and a yellow dye. [O]n the soda side we get metallic sodium, from which are derived sodium cyanide (a disinfectant), two medicines with [long] names, another war gas, and a beautiful violet dye. Thus, from a healthful, preservative condiment come things useful and hurtful—according to the intent or purpose.
The Homiletic Review, Vol. 83-84 (1922), Vol. 83, 209.
Science quotes on:  |  Chlorine (7)  |  Sodium (9)

Salt water when it turns into vapour becomes sweet, and the vapour does not form salt water when it condenses again. This I know by experiment. The same thing is true in every case of the kind: wine and all fluids that evaporate and condense back into a liquid state become water. They all are water modified by a certain admixture, the nature of which determines their flavour.
[Aristotle describing his distillation experiment.]
Meteorology (350 B.C.), Book II, translated by E. W. Webster. Internet Classics Archive, (
Science quotes on:  |  Admixture (2)  |  Brine (3)  |  Condensation (6)  |  Desalination (2)  |  Distillation (6)  |  Evaporation (3)  |  Experiment (367)  |  Liquid (11)  |  Solution (109)  |  Water (116)  |  Wine (11)

Satire is a composition of salt and mercury; and it depends upon the different mixture and preparation of those ingredients, that it comes out a noble medicine, or a rank poison.
In Tryon Edwards (ed.), A Dictionary of Thoughts (1908), 502.
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That a free, or at least an unsaturated acid usually exists in the stomachs of animals, and is in some manner connected with the important process of digestion, seems to have been the general opinion of physiologists till the time of SPALLANZANI. This illustrious philosopher concluded, from his numerous experiments, that the gastric fluids, when in a perfectly natural state, are neither acid nor alkaline. Even SPALLANZANI, however, admitted that the contents of the stomach are very generally acid; and this accords not only with my own observation, but with that, I believe, of almost every individual who has made any experiments on the subject. ... The object of the present communication is to show, that the acid in question is the muriatic [hydrochloric] acid, and that the salts usually met with in the stomach, are the alkaline muriates.
'On the Nature of the Acid and Saline Matters Usually Existing in the Stomachs of Animals', Philosophical Transactions of the Royal Society of London (1824), 114, 45-6.
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The cure for anything is salt water: sweat, tears or the sea.
Quoted in Reader's Digest (Apr 1964). In M. P. Singh, Quote Unquote (2007), 94.
Science quotes on:  |  Cure (48)  |  Sea (56)  |  Sweat (7)  |  Tear (11)  |  Water (116)

There is more evidence to prove that saltiness [of the sea] is due to the admixture of some substance ... It is this stuff which makes salt water heavy (it weighs more than fresh water) and thick. The difference in consistency is such that ships with the same cargo very nearly sink in a river when they are quite fit to navigate in the sea. This circumstance has before now caused loss to shippers freighting their ships in a river. That the thicker consistency is due to an admixture of something is proved by the fact that if you make strong brine by the admixture of salt, eggs, even when they are full, float in it. It almost becomes like mud; such a quantity of earthy matter is there in the sea.
[Aristotle recognised the different density of fresh (river) or salty (sea) water. He describes an experiment using an egg (which sinks in fresh water) that floats in a strong brine solution.]
Meteorology (350 B.C.), Book II, translated by E. W. Webster. Internet Classics Archive, (
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There is more evidence to prove that saltness [of the sea] is due to the admixture of some substance, besides that which we have adduced. Make a vessel of wax and put it in the sea, fastening its mouth in such a way as to prevent any water getting in. Then the water that percolates through the wax sides of the vessel is sweet, the earthy stuff, the admixture of which makes the water salt, being separated off as it were by a filter.
[This is an example of Aristotle giving proof by experiment, in this case, of desalination by osmosis.]
Meteorology (350 B.C.), Book II, translated by E. W. Webster. Internet Classics Archive, (
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To render aid to the worthless is sheer waste. Rain does not freshen the Dead Sea, but only enables it to dissolve more salt.
From chapter 'Jottings from a Note-Book', in Canadian Stories (1918), 172.
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We must infer that a plant or animal of any species, is made up of special units, in all of which there dwells the intrinsic aptitude to aggregate into the form of that species: just as in the atoms of a salt, there dwells the intrinsic aptitude to crystallize in a particular way.‎
In The Principles of Biology (1872), Vol. 1, 181.
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Xenophanes of Kolophon ... says that ... [t]he sun is formed each day from small fiery particles which are gathered together: the earth is infinite, and is not surrounded by air or by sky; an infinite number of suns and moons exist, and all things come from earth. The sea, he said, is salt because so many things flow together and become mixed in it...
Doxographists, Epiph. adv. Haer. iii. 9; Dox. 590. Quoted in Arthur Fairbanks (ed. And trans.), The First Philosophers of Greece (1898), 83.
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[Professor Bragg asserts that] In sodium chloride there appear to be no molecules represented by NaCl. The equality in number of sodium and chlorine atoms is arrived at by a chess-board pattern of these atoms; it is a result of geometry and not of a pairing-off of the atoms.
In Henry E. Armstrong, 'Poor Common Salt!', Nature, 1927, 120, 478.
Science quotes on:  |  Atom (164)  |  Sir William Bragg (7)  |  Chlorine (7)  |  Sodium (9)

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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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
Ralph Emerson
Robert Bunsen
Frederick Banting
Andre Ampere
Winston Churchill
- 80 -
John Locke
Bronislaw Malinowski
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
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
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Giordano Bruno
JJ Thomson
Thomas Kuhn
Leonardo DaVinci
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
Michael Faraday
Srinivasa Ramanujan
Francis Bacon
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- 10 -
John Watson
Rosalind Franklin
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Isaac Asimov
Charles Darwin
Sigmund Freud
Albert Einstein
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