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Quote by Johannes Kepler

“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.”

Quote by Johannes Kepler

Author

Johannes Kepler

Johannes Kepler was a German astronomer, mathematician, and physicist, renowned for his research on the laws of planetary motion. He formulated the famous Kepler's laws, which describe the regularities of planetary orbits around the sun. Kepler's work had a profound impact on the development of astronomy and physics. more

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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.”

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“wheresoever the earth may be placed, or whithersoever it may be carried by its animal faculty, heavy bodies will always be carried towards it.”

May Body Earth Animal Heavy Faculty

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“If the earth were not round, heavy bodies would not tend from every side in a straight line towards the center of the earth, but to different points from different sides.”

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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.”

Ifs Two Body Together Space Influence Mass Stones Thirds Spheres Needles Magnetic Sphere Of Influence

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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.”

Ifs Earth Fall Three Force Animal Moon Distance Assuming Substance Fifty Fourth Orbit Density

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“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.”

Ifs Should Body Would Be Earth Water Sea Moon Flow Raised Cease

Author:Johannes Kepler

“The sphere of the attractive virtue which is in the moon extends as far as the earth, and entices up the waters; but as the moon flies rapidly across the zenith, and the waters cannot follow so quickly, a flow of the ocean is occasioned in the torrid zone towards the westward.”

Earth Water Virtue Moon Ocean Flow Attractive Zone Spheres Zenith

Author:Johannes Kepler

“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.”

Matter Done Body Light Earth Universe Degrees Heavy Surface Driven Heat Escaping Lighters Being Done

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“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.”

Ifs Should Has Beens Said Enough Would Be Earth Force Virtue Degrees Stones Distance Resistance Attractive Sensible

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“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 (for what is there in God which is not God?), and he with his own image reached down to humanity.”

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Author:Johannes Kepler