Johannes Kepler citáty
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Johannes Kepler byl německý matematik, astrolog, astronom, optik a evangelický teolog.

Především ve starší české literatuře se používá i počeštěná forma jeho křestního jména Jan. Několik let působil v Praze na dvoře císaře Rudolfa II. V Praze také formuloval dva ze tří Keplerových zákonů. Wikipedia  

✵ 27. prosinec 1571 – 15. listopad 1630
Johannes Kepler foto
Johannes Kepler: 60   citátů 16   lajků

Johannes Kepler nejznámější citáty

„Kde by se octla rozumná matka astronomie, kdyby bláznivá dcera astrologie nic nevydělala?“

Zdroj: [Hvězdopravectví, Ottův slovník naučný, J. Otto, Praha, 1867, 968–971, https://cs.wikisource.org/wiki/Ott%C5%AFv_slovn%C3%ADk_nau%C4%8Dn%C3%BD/Hv%C4%9Bzdopravectv%C3%AD]

„Geometrie je jedinečná a věčná a září v mysli Boha. To, že spoluúčast na ní byla udělena lidem, je jednou z příčin, proč je člověk obrazem božím.“

Zdroj: [Galilei, Galileo, Galileo Galilei, Kepler, Johannes, Hvězdný posel / Rozprava s Hvězdným poslem, Pistorius & Olšanská, Praha, 2016, 208, 169, 978-80-87855-38-6, Petr Hadrava, Alena Hadravová]

„Tam, kde je hmota, existuje také geometrie.“

Originál: (de) Wo Materie ist, dort ist auch Geometrie.

Source: [Kepler, Johannes, Joannis Kepleri astronomi opera omnia, 423, la]

„Dráha planety je elipsa.“

Zdroj: [Horský, Zdeněk, Koperník a české země, Pavel Mervart, Praha, 2011, 494, 320, 978-80-87378-87-8]

„Chtěl jsem se stát teologem a dlouhý čas jsem byl v neklidu. Pohleďte však, jak moje snaha umožňuje, aby Bůh byl oslaven i na poli astronomie.“

Zdroj: [Horský, Zdeněk, Kepler v Praze, Mladá fronta, Praha, 1980, 243, 56, [dále jen Horský]]

Johannes Kepler: Citáty anglicky

“Without proper experiments I conclude nothing.”

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.”

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

“Nature uses as little as possible of anything.”

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

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

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

“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.”

Johannes Kepler kniha 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)

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

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.”

Johannes Kepler kniha Harmonices Mundi

Harmonices Mundi (1618)
Zdroj: Reported in Methodist Review (1873), vol. 55, pp. 187–88.
Zdroj: 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

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

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.”

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.”

Johannes Kepler kniha 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)

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