The earth also is spherical, since it presses upon its center from every direction. Nicolaus Copernicus centerdirectionearth Change image and share on social
At rest, however, in the middle of everything is the sun. Nicolaus Copernicus middlerestsun Change image and share on social
Those things which I am saying now may be obscure, yet they will be made clearer in their proper place. Nicolaus Copernicus clearmakeobscure Change image and share on social
Therefore, when I considered this carefully, the contempt which I had to fear because of the novelty and apparent absurdity of my view, nearly induced me to abandon utterly the work I had begun. Nicolaus Copernicus abandonabsurdityapparent Change image and share on social
Therefore, in the course of the work I have followed this plan: I describe in the first book all the positions of the orbits together with the movements which I ascribe to the Earth, in order that this book might contain, as it were, the general scheme of the universe. Nicolaus Copernicus ascribebookdescribe share on social
Moreover, since the sun remains stationary, whatever appears as a motion of the sun is really due rather to the motion of the earth. Nicolaus Copernicus appeardueearth Change image and share on social
I shall now recall to mind that the motion of the heavenly bodies is circular, since the motion appropriate to a sphere is rotation in a circle. Nicolaus Copernicus bodycirclecircular Change image and share on social
The massive bulk of the earth does indeed shrink to insignificance in comparison with the size of the heavens. Nicolaus Copernicus bulkcomparisonearth Change image and share on social
Of all things visible, the highest is the heaven of the fixed stars. Nicolaus Copernicus fixheavenhigh Change image and share on social
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 knowledgetrue Change image and share on social