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Geometry has two great treasures one is the Theorem of Pythagoras the other, the division of a line into extreme and mean ratio. The first we may compare to a measure of gold the second we may name a precious jewel.

Johannes Kepler

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Johannes Kepler
Age: 58 †
Born: 1571
Born: December 21
Died: 1630
Died: November 15
Astrologer
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John Kepler
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More quotes by Johannes Kepler

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Where there is matter, there is geometry.
Johannes Kepler
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I am a Lutheran astrologer, I throw away the nonsense and keep the hard kernel.
Johannes Kepler
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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.
Johannes Kepler
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If God himself has waited six thousand years for someone to contemplate his works, my book can wait for a hundred.
Johannes Kepler
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Discover the force of the skies O Men: once recognised it can be put to use.
Johannes Kepler
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The Earth is round, and is inhabited on all sides, is insignificantly small, and is borne through the stars.
Johannes Kepler
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We find, therefore, under this orderly arrangement, a wonderful symmetry in the universe, and a definite relation of harmony in the motion and magnitude of the orbs, of a kind that is not possible to obtain in any other way.
Johannes Kepler
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As soon as somebody demonstrates the art of flying, settlers from our species of man will not be lacking on the moon and Jupiter... Given ships or sails adapted to the breezes of heaven, there will be those who will not shrink from even that vast expanse.
Johannes Kepler
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If two stones were placed... near each other, and beyond the sphere of influence of a third cognate body, these stones, like two magnetic needles, would come together in the intermediate point, each approaching the other by a space proportional to the comparative mass of the other.
Johannes Kepler
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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.
Johannes Kepler
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So long as the mother, Ignorance, lives, it is not safe for Science the offspring, to divulge the hidden causes of things.
Johannes Kepler
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The radius vector describes equal areas in equal times.
Johannes Kepler
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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.
Johannes Kepler
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The chief aim of all investigations of the external world should be to discover the rational order and harmony which has been imposed on it by God and which He revealed to us in the language of mathematics.
Johannes Kepler
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The roads by which men arrive at their insights into celestial matters seem to me almost as worthy of wonder as those matters in themselves.
Johannes Kepler
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The soul of the newly born baby is marked for life by the pattern of the stars at the moment it comes into the world, unconsciously remembers it, and remains sensitive to the return of configurations of a similar kind.
Johannes Kepler
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I had the intention of becoming a theologian...but now I see how God is, by my endeavors, also glorified in astronomy, for 'the heavens declare the glory of God.'
Johannes Kepler
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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.
Johannes Kepler
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Nature uses as little as possible of anything.
Johannes Kepler
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...Those laws are within the grasp of the human mind. God wanted us to recognize them by creating us after his own image so that we could share in his own thoughts... and if piety allow us to say so, our understanding is in this respect of the same kind as the divine, at least as far as we are able to grasp something of it in our mortal life.
Johannes Kepler