"For it is the duty of an astronomer to gather by careful and skilled observation the history of the celestial movements, and then to investigate their causes or hypotheses about them, and then to pred…"

"For the motions of the planets are so much more orderly and harmonious if they are referred to the sun as the center."

"The movements of the heavens are an ordered dance, and the Earth is a participant in this dance."

"When, therefore, I had long considered the uncertainty of the traditional mathematical doctrines concerning the order of the spheres of the universe, I began to be annoyed that no more accurate explan…"

"To know the mighty works of God, to comprehend His wisdom and majesty and power; to appreciate, in degree, the wonderful workings of His laws, surely all this must be a pleasing and acceptable mode of…"