Johannes Kepler Quotes


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


Citations

Kepler, Johannes. "Letter to Michael Mästlin, 19 April 1597." Johannes Kepler Gesammelte Werke, vol. 13, C.H. Beck, 1945, p. 113.

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Johannes Kepler
Johannes Kepler
  • Born: December 27, 1571
  • Died: November 15, 1630
  • Nationality: German
  • Profession: Scientist

Johannes Kepler was a German astronomer, mathematician, and astrologer. He is a key figure in the 17th-century scientific revolution, best known for his laws of planetary motion, and his books Astronomia nova, Harmonices Mundi, and Epitome Astronomiae Copernicanae. These works also provided one of the foundations for Newton's theory of universal gravitation.