For, when a ship is floating calmly on a smooth sea, and the mariners are thinking of nothing but the voyage, if a sudden storm should strike it, and the ship should be driven by the wind, it is not the ship which is moving, but the sea.
Heliocentric model of the solar system
De revolutionibus orbium coelestium (analogy for Earth's motion)
1543
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"Mathematics is written for mathematicians."
Strange & Unusual"I consider it the chief duty of an astronomer to gather the observations of the heavenly bodies, and to explain their motions by hypotheses."
Controversial"In the middle of all sits the Sun enthroned. In this most beautiful temple, could we place this luminary in any better position from which he can illuminate the whole at once?"
Controversial"For it is clear that the earth performs a double motion: one about its axis, and another about the sun."
Controversial"The spheres of the planets do not revolve about the earth as their center, but about the sun."
Controversial