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Home > Category Index for Science Quotations > Category Index F > Category: First Law Of Motion

First Law Of Motion Quotes (3 quotes)

Against filling the Heavens with fluid Mediums, unless they be exceeding rare, a great Objection arises from the regular and very lasting Motions of the Planets and Comets in all manner of Courses through the Heavens.
From Opticks: Or, A Treatise of the Reflections, Refractions, Inflections and Colours of Light (1718), 339.
Science quotes on:  |  Arise (49)  |  Comet (50)  |  Course (84)  |  Exceedingly (5)  |  Filling (6)  |  Fluid (19)  |  Great (534)  |  Heaven (153)  |  Lasting (7)  |  Manner (57)  |  Medium (12)  |  Motion (160)  |  Objection (18)  |  Orbit (69)  |  Planet (263)  |  Rare (50)  |  Regular (13)

Every body continues in its state of rest or uniform motion in a straight line, except in so far as it doesn’t. … The suggestion that the body really wanted to go straight but some mysterious agent made it go crooked is picturesque but unscientific.
Paraphasing Newton’s First Law of Motion. In a Gifford Lecture delivered at the University of Edinburgh (1927), 'Gravitation: The Law', The Nature of the Physical World (1928), 124.
Science quotes on:  |  Body (247)  |  Continue (65)  |  Far (154)  |  Motion (160)  |  Sir Isaac Newton (333)  |  Rest (93)  |  State (137)  |  Straight Line (17)  |  Uniform (18)

Inequality is the cause of all local movements. There is no rest without equality.
From Codex Atlanticus, folio 288 back a. In Edward McCurdy, The Notebooks of Leonardo Da Vinci (1939, 1958), Vol. 1, 89. [Compare with Newton’s Laws of Motion. Da Vinci died in 1519; Newton was born over 120 years later. Webmaster, despite much time looking, has not yet found the corresponding quote in the John Paul Richter translation. Can you help? —Webmaster]
Science quotes on:  |  Cause (285)  |  Equilibrium (20)  |  Force (249)  |  Inequality (8)  |  Local (19)  |  Movement (83)


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
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
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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
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- 10 -
Aristotle
John Watson
Rosalind Franklin
Michio Kaku
Isaac Asimov
Charles Darwin
Sigmund Freud
Albert Einstein
Florence Nightingale
Isaac Newton



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