For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study. — Nicolaus Copernicus Copy Share Image
So far as hypotheses are concerned, let no one expect anything certain from astronomy, which cannot furnish it, lest he accept as the truth ideas conceived for another purpose, and depart from this study a greater fool than when he… — Nicolaus Copernicus Copy Share Image
In the center of all rests the sun. For who would place this lamp of a very beautiful temple in another or better place… — Nicolaus Copernicus Copy Share Image
Hence I feel no shame in asserting that this whole region engirdled by the moon, and the center of the earth, traverse this grand… — Nicolaus Copernicus Copy Share Image
Those who know that the consensus of many centuries has sanctioned the conception that the earth remains at rest in the middle of the… — Nicolaus Copernicus Copy Share Image
The two revolutions, I mean the annual revolutions of the declination and of the centre of the Earth, are not completely equal; that is… — Nicolaus Copernicus Copy Share Image
The Universe has been wrought for us by a supremely good and orderly Creator — Nicolaus Copernicus Copy Share Image
If there should chance to be any mathematicians who, ignorant in mathematics yet pretending to skill in that science, should dare, upon the authority… — Nicolaus Copernicus Copy Share Image
Although all the good arts serve to draw man's mind away from vices and lead it toward better things, this function can be more… — Nicolaus Copernicus Copy Share Image
For I am not so enamoured of my own opinions that I disregard what others may think of them. — Nicolaus Copernicus Copy Share Image
In the first book I shall describe all the positions of the spheres, along with the motions which I attribute to the Earth, so… — Nicolaus Copernicus Copy Share Image
Among the authorities it is generally agreed that the Earth is at rest in the middle of the universe, and they regard it as… — Nicolaus Copernicus Copy Share Image
I therefore took this opportunity and also began to consider the possibility that the Earth moved. Although it seemed an absurd opinion, nevertheless, because… — Nicolaus Copernicus Copy Share Image
