Frasi di Giovanni Keplero (61 frasi, pagina 2)

Giovanni Keplero: 61 frasi 2 Mi piace

Giovanni Keplero frasi celebri

“Oh canna meravigliosa, più preziosa d'uno scettro!”

Giovanni Keplero

Sul cannocchiale di Galileo Galilei

“I protestanti preferiscono essere in disaccordo col sole piuttosto che d'accordo col papa.”

Giovanni Keplero

Attribuite

“Essi [Bruno e E. Bruce] pensavano che anche altri corpi fossero circondati dalle proprie lune, come la Terra dalla sua. Tu dimostri in generale che quelli avevano sostenuto cose vere; ma sostenevano che le stelle fisse avessero il pianeta; Bruno addirittura ne fornì anche il motivo necessario […]. Le tue osservazioni dimostrano che tutto questo ragionamento di Bruno non vale nulla.”

Giovanni Keplero

da una lettera a Galileo, 19 aprile 1610
Origine: Keplero non visse abbastanza... la prima scoperta confermata di un pianeta extrasolare avvenne il 6 ottobre 1995.
Origine: Citato in Immagini di Giordano Bruno 1600-1725, Procaccini, Napoli 1996.

“Bruno ha concepito il mondo infinito in modo tale che quante sono le stelle fisse, tanti sono i mondi, e questo nostro mondo diviene uno fra i mondi innumerabili, perlopiù in nulla diverso dai rimanenti che lo circondano.”

Giovanni Keplero

da De stella nova in pede serpentarii

“Bruno sostenne l'inutilità di tutte le religioni e che Dio è presente nel mondo.”

Giovanni Keplero

da una lettera a Johann Brengger, 5 aprile 1608

“[Dichiara che] nessun re poteva donar(gli) di più delle osservazioni degne di fede.
[…] kein Köning kann mir mehr schenken als zuverlässige Bebachtungen.”

Giovanni Keplero

Giovanni Keplero Frasi e Citazioni

“Seppi da Wacherio che il Bruno fu abbruciato in Roma e che sopportò con costanza il supplicio, asserendo che tutte le religioni sono vane e che Iddio s'immedesima col mondo, col circolo e col punto.”

Giovanni Keplero

da una lettera a Johann Brengger, medico e scienziato tedesco; citato in Domenico Berti, Vita di Giordano Bruno da Nola, Paravia, Torino 1868

Sul mondo , Su Dio

“Anche la pietà, anche il sacrificio di sé fanno parte delle passioni cieche: si scatenano con impeto e disprezzano il buon senso.”

Giovanni Keplero

Origine: Da Lettera per la scelta di una moglie http://www.mi.infn.it/~gnegri/media/keplero.pdf, Stampa Alternativa, 1998, p. 9.

Passione , Senso

“Io credo che questa proporzione geometrica sia servita al Creatore quando introdusse la creazione di somiglianza dalla somiglianza, che continua indefinitamente.”

Giovanni Keplero

dalla Lettera a Tanckius, 1608
Origine: Citato in Daniele Corradetti e Gioni Chiocchetti, Le forme e il divino, edizioni Argonautiche. p. 190. ISBN 978-88-95299-27-3

“Svelate le forze del cielo, o uomini: le scoperte abbiano un uso: a nulla paiono servire le cose sconosciute.”

Giovanni Keplero

Sugli uomini

Giovanni Keplero: Frasi in inglese

“The earth is the sphere, the measure of all; round it describe a dodecahedron; the sphere including this will be Mars. Round Mars describe a tetrahedron; the sphere including this will be Jupiter. Describe a cube round Jupiter; the sphere including this will be Saturn. Now, inscribe in the earth an icosahedron, the sphere inscribed in it will be Venus: inscribe an octahedron in Venus: the circle inscribed in it will be Mercury.”

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Johannes Kepler libro Mysterium Cosmographicum

Walter William Bryant, Kepler (1920), pp. 16–17
Mysterium Cosmographicum (1596)

“If the earth should cease to attract its waters to itself all the waters of the sea would be raised and would flow to the body of the moon.”

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Johannes Kepler libro Astronomia nova

As quoted by Bryant, ibid.
Astronomia nova (1609)

“Without proper experiments I conclude nothing.”

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Johannes Kepler

Vol. V. p. 224, Vol. I, p. 143
Joannis Kepleri Astronomi Opera Omnia, ed. Christian Frisch (1858)

“[Quantity is the fundamental feature of things, ] the primarium accidens substantiae,' …prior to the other categories.”

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Johannes Kepler

Vol. VIII, p. 150
Joannis Kepleri Astronomi Opera Omnia, ed. Christian Frisch (1858)

“Nature uses as little as possible of anything.”

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Johannes Kepler

Viking Book of Aphorisms: A Personal Selection (1920) by W. H. Auden and Louis Kronenberger, p. 98; also in The Infinite Cosmos: Questions from the Frontiers of Cosmology (2006) by Joseph Silk

“The heavenly bodies are nothing but a continuous song for several voices (perceived by the intellect, not by the ear); a music which… sets landmarks in the immeasurable flow of time. It is therefore, no longer surprising that man, in imitation of his creator, has at last discovered the art of figured song, which was unknown to the ancients. Man wanted to reproduce the continuity of cosmic time… to obtain a sample test of the delight of the Divine Creator in His works, and to partake of his joy by making music in the imitation of God.”

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Johannes Kepler libro Harmonices Mundi

Book V, Ch. 7 as quoted in Arthur Koestler, The Sleepwalkers (1959)
Harmonices Mundi (1618)

“But although the attractive virtue of the earth extends upwards, as has been said, so very far, yet if any stone should be at a distance great enough to become sensible compared with the earth’s diameter, it is true that on the motion of the earth such a stone would not follow altogether; its own force of resistance would be combined with the attractive force of the earth, and thus it would extricate itself in some degree from the motion of the earth.”

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Johannes Kepler libro Astronomia nova

As quoted by Bryant, ibid.
Astronomia nova (1609)

“There are, in fact, as I began to say above, not a few principles which are the special property of mathematics, such principles as are discovered by the common light of nature, require no demonstration, and which concern quantities primarily; then they are applied to other things, so far as the latter have something in common with quantities. Now there are more of these principles in mathematics than in the other theoretical sciences because of that very characteristic of the human understanding which seems to be such from the law of creation, that nothing can be known completely except quantities or by quantities. And so it happens that the conclusions of mathematics are most certain and indubitable.”

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Johannes Kepler

Vol. VIII, p. 148
Joannis Kepleri Astronomi Opera Omnia, ed. Christian Frisch (1858)

“There is a force in the earth which causes the moon to move.”
In Terra inest virtus, quae Lunam del.

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Johannes Kepler

Essay dedicated to the Archduke Ferdinand, as quoted in Kepler (1993) by Max Caspar, Sect. II, Ch. 9, p. 110

“He who will please the crowd and for the sake of the most ephemeral renown will either proclaim those things which nature does not display or even will publish genuine miracles of nature without regard to deeper causes is a spiritually corrupt person… With the best of intentions I publicly speak to the crowd (which is eager for things new) on the subject of what is to come.”

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Johannes Kepler

Translation by an unknown person, from De fundamentis astrologiae certioribus, ibid., from the foreword

Ref: en.wikiquote.org - Johannes Kepler / Mysterium Cosmographicum (1596) / De fundamentis astrologiae certioribus (1601)

“Geometry is one and eternal shining in the mind of God. That share in it accorded to humans is one of the reasons that humanity is the image of God.”

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Johannes Kepler libro Harmonices Mundi

Book III, Ch. 1 as quoted in "Astrology in Kepler's Cosmology" by Judith V. Field, in Astrology, Science, and Society: Historical Essays (1987) edited by P. Curry, p. 154
Geometry, coeternal with God and shining in the divine Mind, gave God the pattern... by which he laid out the world so that it might be best and most beautiful and finally most like the Creator.
As quoted in Kepler's Geometrical Cosmology (1988), p. 123
Geometry is one and eternal shining in the mind of God. That share in it accorded to men is one of the reasons that Man is the image of God.
Unsourced variant
Harmonices Mundi (1618)

“Every corporeal substance, so far forth as it is corporeal, has a natural fitness for resting in every place where it may be situated by itself beyond the sphere of influence of a body cognate with it.”

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Johannes Kepler libro Astronomia nova

As quoted in Kepler by Walter William Bryant (1920), p. 35
Astronomia nova (1609)

“Wherever there are qualities there are likewise quantities, but not always vice versa.”

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Johannes Kepler

Vol. VIII, p. 47ff.
Joannis Kepleri Astronomi Opera Omnia, ed. Christian Frisch (1858)

“The wisdom of the Lord is infinite as are also His glory and His power. Ye heavens, sing His praises., sun, moon, and planets, glorify Him in your ineffable language! Praise Him, celestial harmonies, and all ye who can comprehend them! And thou, my soul, praise thy Creator! It is by Him and in Him that all exist.”

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Johannes Kepler libro Harmonices Mundi

Harmonices Mundi (1618)
Origine: Reported in Methodist Review (1873), vol. 55, pp. 187–88.
Origine: As quoted in Forty Thousand Sublime and Beautiful Thoughts (1904) ed. Charles Noel Douglas, p. 845. https://books.google.com/books?id=I0ZAAQAAMAAJ&pg=PA845

“But who shall dwell in these worlds if they be inhabited?…. Are we or they Lords of the World?…. And how are all things made for man?(War of the Worlds by HG Wells)”

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Johannes Kepler libro Harmonices Mundi

Harmonices Mundi (1618)

“Indeed I reply in a single word to the sentiments of the saints on these questions about nature; in theology, to be sure, the force of authorities is to be weighed, in philosophy, however, that of causes. Therefore, a saint is Lactantius, who denied the rotundity of the earth; a saint is Augustine, who, admitting the rotundity, yet denied the antipodes; worthy of sainthood is the dutiful performance of moderns who, admitting the meagreness of the earth, yet deny its motion. But truth is more saintly for me, who demonstrate by philosophy, without violating my due respect for the doctors of the church, that the earth is both round and inhabited at the antipodes, and of the most despicable size, and finally is moved among the stars.”

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Johannes Kepler

Translation by Burtt, ibid., Vol. III. p. 156
Secondary works, Joannis Kepleri Astronomi Opera Omnia (1858)

“Nothing which consists of corporeal matter is absolutely light, but that is comparatively lighter which is rarer, either by its own nature, or by accidental heat. And it is not to be thought that light bodies are escaping to the surface of the universe while they are carried upwards, or that they are not attracted by the earth. They are attracted, but in a less degree, and so are driven outwards by the heavy bodies; which being done, they stop, and are kept by the earth in their own place.”

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Johannes Kepler libro Mysterium Cosmographicum

As translated and quoted by Bryant, ibid.
Mysterium Cosmographicum (1596), Astronomia nova (1609)

“I was almost driven to madness in considering and calculating this matter. I could not find out why the planet would rather go on an elliptical orbit. Oh, ridiculous me! As the liberation in the diameter could not also be the way to the ellipse. So this notion brought me up short, that the ellipse exists because of the liberation. With reasoning derived from physical principles, agreeing with experience, there is no figure left for the orbit of the planet but a perfect ellipse.”

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Johannes Kepler libro Mysterium Cosmographicum

As translated and quoted in John Freely, Before Galileo: The Birth of Modern Science in Medieval Europe (2012), in chapter 58, at an unspecified page.
Mysterium Cosmographicum (1596), Astronomia nova (1609)

“The laws of nature are but the mathematical thoughts of God.”

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Johannes Kepler

Attributed to Kepler in some sources (though more recent sources often attribute it to Euclid), such as Mathematically Speaking: A Dictionary of Quotations edited by Carl C. Gaither and Alma E. Cavazos-Gaither (1998), p. 214 http://books.google.com/books?id=4abygoxLdwQC&lpg=PP1&pg=PA214#v=onepage&q&f=false. The earliest publication located that attributes the quote to Kepler is the piece "The Mathematics of Elementary Chemistry" by Principal J. McIntosh of Fowler Union High School in California, which appeared in School Science and Mathematics, Volume VII ( 1907 http://books.google.com/books?id=kAEUAAAAIAAJ&pg=PR3#v=onepage&q&f=false), p. 383 http://books.google.com/books?id=kAEUAAAAIAAJ&pg=PA383#v=onepage&q&f=false. Neither this nor any other source located gives a source in Kepler's writings, however, and in an earlier source, the 1888 Notes and Queries, Vol V., it is attributed on p. 165 http://books.google.com/books?id=0qYXAQAAMAAJ&pg=PA165#v=onepage&q&f=false to Plato. Expressions that relate geometry to the divine "mind of God" include comments in the Harmonices Mundi, e.g., "Geometry is one and eternal shining in the mind of God", and "Since geometry is co-eternal with the divine mind before the birth of things, God himself served as his own model in creating the world".
Disputed quotes

“I was merely thinking God's thoughts after Him. Since we astronomers are priests of the highest God in regard to the book of nature, it benefits us to be thoughtful, not of the glory of our minds, but rather, above all else, of the glory of God.”

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Johannes Kepler

Google search of the second sentence, in quotes, yields a trio of 2019 books alone, most (there and in following) attributing it to Kepler—e.g., see Prof Basden's 2019 work, [Foundations and Practice of Research: Adventures with Dooyeweerd's Philosophy, The Complex Activity of Research [§10—4.1 Less-Obvious Pistic Functioning in Research], Advances in Research Methods, Abingdon-on-Thames, UK, Taylor & Francis-Routledge, 1st, 9781138720688, https://www.amazon.com/Foundations-Practice-Research-Adventures-Dooyeweerds/dp/1138720682, February 25, 2020] (page 222).
While most citations of Kepler have been traced back to a translation of an original work, this quotation appears broadly without any such sourcing (e.g., Basden). Where it is sourced, the sources are either spurious (e.g., to the "New World Encyclopedia", a Paragon House/Unification Church product https://www.nytimes.com/1984/04/02/arts/unification-church-is-starting-a-publishing-house.html, wherein it is likewise unsourced), or to such sources as Henry Morris' 1988 creationist work, [Men of Science, Men of God: Great Scientists Who Believed the Bible, Green Forest, AR, Master Books, 21st reprint, 9780890510803, https://www.amazon.com/Men-Science-God-Henry-Morris/dp/0890510806, February 25, 2020] (page 21f).
Until a scholarly source is found that ties these statements to an original text from Kepler, they formally must be considered unattributed to Kepler.
Disputed quotes

“Now because 18 months ago the first dawn, 3 months ago broad daylight but a very few days ago the full sun of the most highly remarkable spectacle has risen — nothing holds me back. I can give myself up to the sacred frenzy, I can have the insolence to make a full confession to mortal men that I have stolen the golden vessel of the Egyptians to make from them a tabernacle for my God far from the confines of the land of Egypt. If you forgive me I shall rejoice; if you are angry, I shall bear it; I am indeed casting the die and writing the book, either for my contemporaries or for posterity to read, it matters not which: let the book await its reader for a hundred years; God himself has waited six thousand years for his work to be seen.”

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Johannes Kepler libro Mysterium Cosmographicum

Book V, Introduction
Variant translation: It may well wait a century for a reader, as God has waited six thousand years for an observer.
As quoted in The Martyrs of Science; or, the Lives of Galileo, Tycho Brahe, and Kepler (1841) by David Brewster, p. 197. This has sometimes been misquoted as "It may be well to wait a century for a reader, as God has waited six thousand years for an observer."
Variant translation: I feel carried away and possessed by an unutterable rapture over the divine spectacle of heavenly harmony... I write a book for the present time, or for posterity. It is all the same to me. It may wait a hundred years for its readers, as God has also waited six thousand years for an onlooker.
As quoted in Calculus. Multivariable (2006) by Steven G. Krantz and Brian E. Blank. p. 126
Mysterium Cosmographicum (1596), Harmonices Mundi (1618)