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Gravity is a mutual affection between cognate bodies towards union or conjunction (similar in kind to the magnetic virtue), so that the earth attracts a stone much rather than the stone seeks the earth.

Johannes Kepler

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Johannes Kepler
Age: 58 †
Born: 1571
Born: December 21
Died: 1630
Died: November 15
Astrologer
Astronomer
Cosmologist
Mathematician
Music Theorist
Musicologist
Naturalist
Philosopher
Physicist
Theologian
John Kepler
John Keppler
Johanes Kepler
Kepler
Keppler
Virtue
Mutual
Rather
Stone
Conjunction
Earth
Union
Conjunctions
Body
Bodies
Magnetic
Much
Unions
Attracts
Kind
Affection
Seeks
Towards
Gravity
Stones
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I also ask you my friends not to condemn me entirely to the mill of mathematical calculations, and allow me time for philosophical speculations, my only pleasures.
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Nature loves simplicity and unity.
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A mind is accustomed to mathematical deduction, when confronted with the faulty foundations of astrology, resists a long, long time, like an obstinate mule, until compelled by beating and curses to put its foot into that dirty puddle.
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Astronomy would not provide me with bread if men did not entertain hopes of reading the future in the heavens.
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The Creator, the fountain of all wisdom, the approver of perpetual order, the eternal and superessential spring of geometry and harmonics.
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Geometry is the archetype of the beauty of the world.
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Nature uses as little as possible of anything.
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I believe the geometric proportion served the creator as an idea when He introduced the continuous generation of similar objects from similar objects.
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Ships and sails proper for the heavenly air should be fashioned. Then there will also be people, who do not shrink from the dreary vastness of space.
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When ships to sail the void between the stars have been built, there will step forth men to sail these ships.
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Since we astronomers are priests of the highest God in regard to the book of nature, it befits 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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Where there is matter, there is geometry.
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O telescope, instrument of much knowledge, more precious than any sceptre!
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The Earth is round, and is inhabited on all sides, is insignificantly small, and is borne through the stars.
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The moon... is a mass, akin to the mass of the earth, attracts the waters by a magnetic force, not because they are liquid, but because they possess earthy substance, and so share in the movements of a heavy body.
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[Quantity is the fundamental feature of things,] the 'primarium accidens substantiae,' ...prior to the other categories.
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Truth is the daughter of time, and I feel no shame in being her midwife.
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If the moon and earth were not retained in their orbits by their animal force or some other equivalent, the earth would mount to the moon by a fifty-fourth part of their distance, and the moon fall towards the earth through the other fifty-three parts, and they would there meet, assuming, however, that the substance of both is of the same density.
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Yet in this my stars were not Mercury as morning star in the angle of the seventh house, in quartile with Mars, but they were Copernicus, they were Tycho Brahe, without whose books of observations everything which has now been brought by me into the brightest daylight would lie buried in darkness.
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I used to measure the Heavens, now I measure the shadows of Earth. The mind belonged to Heaven, the body's shadow lies here.
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