For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study. Nicolaus Copernicus astronomercarefulcelestial Change image and share on social
The earth together with its surrounding waters must in fact have such a shape as its shadow reveals, for it eclipses the moon with the arc of a perfect circle. Nicolaus Copernicus arccircleearth Change image and share on social
Mathematics is written for mathematicians. Nicolaus Copernicus mathematicianmathematicswrite Change image and share on social
I can easily conceive, most Holy Father, that as soon as some people learn that in this book which I have written concerning the revolutions of the heavenly bodies, I ascribe certain motions to the Earth, they will cry out at once that I and my theory should be rejected. Nicolaus Copernicus ascribebodybook share on social
Not a few other very eminent and scholarly men made the same request, urging that I should no longer through fear refuse to give out my work for the common benefit of students of Mathematics. Nicolaus Copernicus benefitcommoneminent Change image and share on social
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 fully performed by this art, which also provides extraordinary intellectual pleasure. Nicolaus Copernicus artdrawextraordinary 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
Finally we shall place the Sun himself at the center of the Universe. Nicolaus Copernicus centerfinallyplace Change image and share on social
I am aware that a philosopher's ideas are not subject to the judgment of ordinary persons, because it is his endeavour to seek the truth in all things, to the extent permitted to human reason by God. Nicolaus Copernicus awareendeavourextent Change image and share on social
In so many and such important ways, then, do the planets bear witness to the earth's mobility. Nicolaus Copernicus bearearthimportant Change image and share on social
