Nicolaus Copernicus — "For the Earth, which is a planet, must therefore move in a circle around the Sun…"

"Perhaps there will be babblers who, although completely ignorant of mathematics, nevertheless dare to pass judgment on these things, and because of some passage in Holy Scripture, want to distort my b…"

"The spheres of the planets do not revolve about the earth as their center, but about the sun."

"The Sun, the Moon, and the five wandering stars are all governed by the same laws."

"It is clear that the earth also moves in a similar manner, and describes an annual course."

"Therefore, when I perceived that these and similar doubts arose concerning the order of the parts of the universe and the symmetry of its structure, I began to be vexed that no more definite explanati…"