I demonstrate by means of philosophy that the earth is round, and is inhabited on all sides; that it is insignificantly small, and is borne through the stars. – Johannes Kepler
The diversity of the phenomena of nature is so great, and the treasures hidden in the heavens so rich, precisely in order that the human mind shall never be lacking in fresh nourishment. – Johannes Kepler
I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses. – Johannes Kepler
The squares of the periodic times are to each other as the cubes of the mean distances. – Johannes Kepler
