Galileo Galilei Quotes - Page 4

• What has philosophy got to do with measuring anything? It's the mathematicians you have to trust, and they measure the skies like we measure a field.

  Galileo Galilei

  Philosophy, Sky, Fields

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• I do not know what to say in a case so surprising, so unlooked for and so novel.

  Galileo Galilei

  Cases, Novel, Surprising

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• La Vía Láctea no es más que una masa de innumerables estrellas agrupadas en cúmulos.

  Galileo Galilei

  Stars, Together, Way

  Galileo Galilei, Johannes Kepler (2016). “The Sidereal Messenger of Galileo Galilei and a Part of the Preface to Kepler's Dioptrics Containing the Original Account of Galileo's Astronomical Discoveries”, p.30, Library of Alexandria

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• It was granted to me alone to discover all the new phenomena in the sky and nothing to anybody else. This is the truth which neither envy nor malice can supress.

  Galileo Galilei

  Sky, Envy, Granted

  "How three wise men and a tube helped us find our place in the universe" by Tim Radford, www.theguardian.com. December 18, 2009.

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• And believe me, if I were again beginning my studies, I should follow the advice of Plato and start with the mathematical sciences, which proceed very cautiously and admit nothing as established until it has been rigorously demonstrated.

  Galileo Galilei

  Education, Plato, Math

  "The Essential Galileo".

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• Nature is written in mathematical language.

  Galileo Galilei

  Language, Mathematics, Mathematical

  Galileo Galilei (1997). “Galileo on the World Systems: A New Abridged Translation and Guide”, p.350, Univ of California Press

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• The laws of Nature are written in the language of mathematics...the symbols are triangles, circles and other geometrical figures, without whose help it is impossible to comprehend a single word.

  Galileo Galilei

  Math, Circles, Law

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• The number of people that can reason well is much smaller than those that can reason badly. If reasoning were like hauling rocks, then several reasoners might be better than one. But reasoning isn't like hauling rocks, it's like, it's like racing, where a single, galloping Barbary steed easily outruns a hundred wagon-pulling horses.

  Galileo Galilei

  Horse, Rocks, Numbers

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• La filosofía misma no puede sino beneficiarse de nuestras disputas, pues si nuestras concepciones resultan verdaderas, se alcanzarán nuevos logros; si son falsas, su refutación confirmará aún más las doctrinas originales.

  Galileo Galilei

  Philosophy, Thinking, Achievement

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• Pero algunos, además de lealtad a su error original, poseen no sé qué fantasioso interés en permanecer hostiles no tanto hacia las cosas en cuestión como hacia su descubridor.

  Galileo Galilei

  Errors, Allegiance, Interest

  "Letter to the Grand Duchess Christina of Tuscany, 1615". sourcebooks.fordham.edu.

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• The doctrine that the earth is neither the center of the universe nor immovable, but moves even with a daily rotation, is absurd, and both philosophically and theologically false, and at the least an error of faith.

  Galileo Galilei

  Moving, Errors, Religion

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• Entre los grandes hombres que han filosofado sobre [la acción de las mareas], el que más me ha sorprendido es Kepler. Era una persona de genio independiente, [pero] se interesó por la acción de la luna sobre el agua, y por otros fenómenos ocultos, y chiquilladas similares.

  Galileo Galilei

  Independiente, Ciencia, Luna

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• Oh, mi querido Kepler, cómo me gustaría que pudiéramos reírnos a carcajadas juntos. Aquí, en Padua, está el principal profesor de filosofía, a quien he pedido repetida y urgentemente que mire la luna y los planetas a través de mi cristal [telescopio], cosa que él se niega pertinazmente a hacer. Y oír al profesor de filosofía de Pisa esforzarse ante el gran duque con argumentos lógicos, como con encantamientos mágicos, para hacer desaparecer del cielo los nuevos planetas.

  Galileo Galilei

  Laughter, Philosophy, Science

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• I would say here something that was heard from an ecclesiastic of the most eminent degree: The intention of the Holy Spirit is to teach us how one goes to heaven, not how the heavens go.

  Galileo Galilei

  Science, Heaven, Degrees

  Letter to the Grand Duchess Christina, 1615.

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• El gran libro de la naturaleza está escrito en matemáticas.

  Galileo Galilei

  Book, Math, Science

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• We see only the simple motion of descent, since that other circular one common to the Earth, the tower, and ourselves remains imperceptible. There remains perceptible to us only that of the stone, which is not shared by us; and, because of this, sense shows it as by a straight line, always parallel to the tower, which is built upright and perpendicular upon the terrestrial surface.

  Galileo Galilei

  Science, Simple, Towers

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• The hypothesis is pretty; its only fault is that it is neither demonstrated nor demonstrable. Who does not see that this is purely arbitrary fiction that puts nothingness as existing and proposes nothing more than simple noncontradiciton?

  Galileo Galilei

  Simple, Thinking, Doe

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• The Divine intellect indeed knows infinitely more propositions [than we can ever know]. But with regard to those few which the human intellect does understand, I believe that its knowledge equals the Divine in objective certainty.

  Galileo Galilei

  Believe, Doe, Divine

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• I, Galileo, son of the late Vicenzo Galilei, swear that I never said that the prime numbers are useless. What I said was that you cannot count lunar craters by counting 2, 3, 5, 7.

  Galileo Galilei

  Son, Numbers, Useless

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• The surface of the Moon is not smooth, uniform, and precisely spherical as a great number of philosophers believe it to be, but is uneven, rough, and full of cavities and prominences, being not unlike the face of the Earth, relieved by chains of mountains and deep valleys.

  Galileo Galilei

  Believe, Moon, Numbers

  Galileo Galilei, Raymond John Seeger (1966). “Men of physics: Galileo Galilei, his life and his works”

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• If there were as great a scarcity of soil as of jewels or precious metals, there would not be a prince who would not spend a bushel of diamonds and rubies and a cartload of gold just to have enough earth to plant a jasmine in a little pot, or to sow an orange seed and watch it sprout, grow, and produce its handsome leaves, its fragrant flowers, and fine fruit.

  Galileo Galilei

  Flower, Jewels, Orange

  Galileo Galilei, Andrea Frova, Mariapiera Marenzana (2006). “Thus Spoke Galileo: The Great Scientist's Ideas and Their Relevance to the Present Day”, p.174, Oxford University Press

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• Mi querido Kepler, ¿qué dirías de los eruditos de aquí, que, repletos de la pertinacia del áspid, se han negado rotundamente a echar un vistazo a través del telescopio? ¿Qué haremos al respecto? ¿Nos reiremos o lloraremos?

  Galileo Galilei

  Laughing, Kepler, Telescopes

  Letter to Johannes Kepler (1610), as quoted in "The Crime of Galileo" by Giorgio De Santillana, 1955.

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• It reveals to me the causes of many natural phenomena that are entirely incomprehensible in the light of the generally accepted hypotheses. To refute the latter I collected many proofs, but I do not publish them ... I would dare to publish my speculations if there were people men like you.

  Galileo Galilei

  Science, Men, Light

  Letter to Johannes Kepler, 1596.

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• Pero lo que supera todas las maravillas, he descubierto cuatro nuevos planetas y observado sus movimientos propios y particulares, diferentes entre sí y de los movimientos de todas las demás estrellas; y estos nuevos planetas se mueven alrededor de otra estrella muy grande [Júpiter] como Venus y Mercurio, y tal vez los otros planetas conocidos, se mueven alrededor del Sol. Tan pronto como este tratado, que enviaré a todos los filósofos y matemáticos como anuncio, esté terminado, enviaré una copia al Serenísimo Gran Duque, junto con un excelente catalejo, para que pueda verificar todas estas verdades.

  Galileo Galilei

  Stars, Moving, Science

  "Sidereus Nuncius, Or The Sidereal Messenger". Book by Galileo Galilei, March 13, 1610.

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• I truly believe the book of philosophy to be that which stands perpetually open before our eyes, though since it is written in characters different from those of our alphabet it cannot be read by everyone.

  Galileo Galilei

  Philosophy, Believe, Book

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