All Nicolaus Copernicus Quotes
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
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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
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Therefore, having obtained the opportunity from these sources, I too began to consider the mobility of the earth.
Nicolaus Copernicus
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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
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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
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For a traveler going from any place toward the north, that pole of the daily rotation gradually climbs higher, while the opposite pole drops down an equal amount.
Nicolaus Copernicus
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The earth also is spherical, since it presses upon its center from every direction.
Nicolaus Copernicus
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More stars in the north are seen not to set, while in the south certain stars are no longer seen to rise.
Nicolaus Copernicus
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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
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First of all, we must note that the universe is spherical.
Nicolaus Copernicus
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At rest, however, in the middle of everything is the sun.
Nicolaus Copernicus
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Accordingly, since nothing prevents the earth from moving, I suggest that we should now consider also whether several motions suit it, so that it can be regarded as one of the planets. For, it is not the center of all the revolutions.
Nicolaus Copernicus
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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
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In so many and such important ways, then, do the planets bear witness to the earth's mobility.
Nicolaus Copernicus
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