Isaac Newton's discovery of gravity while observing an apple fall from a tree (1666)Quote: "truth is ever to be found in the simplicity, and not in the multiplicity and confusion of things."
Francis Bacon discovered the scientific method (Novum Organum, 1620) Quote: "Knowledge is power."
Nicolas Copernicus established that the planets orbit around the sun rather than the earth. ( Heliocentric Theory, 1532)Quote: "Finally we shall place the sun himself at the center of the Universe."