To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge. — 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
