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Nicolaus Copernicus QUOTES / QUOTATIONS
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.
Quotation of Nicolaus Copernicus
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.
Quotation of Nicolaus Copernicus
At rest, however, in the middle of everything is the sun.
Quotation of Nicolaus Copernicus
Every observed change of place is caused by a motion of either the observed object or the observer or, of course, by an unequal displacement of each.
Quotation of Nicolaus Copernicus
Finally we shall place the Sun himself at the center of the Universe.
Quotation of Nicolaus Copernicus
Finally we shall place the Sun himself at the center of the Universe. All this is suggested by the systematic procession of events and the harmony of the whole Universe, if only we face the facts, as they say, 'with both eyes open'.
Quotation of Nicolaus Copernicus
First of all, we must note that the universe is spherical.
Quotation of Nicolaus Copernicus
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.
Quotation of Nicolaus Copernicus
For I am not so enamoured of my own opinions that I disregard what others may think of them.
Quotation of Nicolaus Copernicus
For it is not unknown that Lactantius, otherwise a famous writer but a poor mathematician, speaks most childishly of the shape of the Earth when he makes fun of those who said that the Earth has the form of a sphere.
Quotation of Nicolaus Copernicus
For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study.
Quotation of Nicolaus Copernicus
Hence the earth too is evidently enclosed between poles and is therefore spherical.
Quotation of Nicolaus Copernicus
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.
Quotation of Nicolaus Copernicus
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.
Quotation of Nicolaus Copernicus
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.
Quotation of Nicolaus Copernicus
In so many and such important ways, then, do the planets bear witness to the earth's mobility.
Quotation of Nicolaus Copernicus
Mathematics is written for mathematicians.
Quotation of Nicolaus Copernicus
More stars in the north are seen not to set, while in the south certain stars are no longer seen to rise.
Quotation of Nicolaus Copernicus
Moreover, since the sun remains stationary, whatever appears as a motion of the sun is really due rather to the motion of the earth.
Quotation of Nicolaus Copernicus
Moreover, there is no difference between the earth's centers of gravity and magnitude.
Quotation of Nicolaus Copernicus
Near the sun is the center of the universe.
Quotation of Nicolaus Copernicus
Nor do I doubt that ingenious and learned mathematicians will sustain me, if they are willing to recognize and weigh, not superficially, but with that thoroughness which Philosophy demands above all things, those matters which have been adduced by me in this work to demonstrate these theories.
Quotation of Nicolaus Copernicus
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.
Quotation of Nicolaus Copernicus
Of all things visible, the highest is the heaven of the fixed stars.
Quotation of Nicolaus Copernicus
Pouring forth its seas everywhere, then, the ocean envelops the earth and fills its deeper chasms.
Quotation of Nicolaus Copernicus
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 entered it.
Quotation of Nicolaus Copernicus
So, influenced by these advisors and this hope, I have at length allowed my friends to publish the work, as they had long besought me to do.
Quotation of Nicolaus Copernicus
The earth also is spherical, since it presses upon its center from every direction.
Quotation of Nicolaus Copernicus
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.
Quotation of Nicolaus Copernicus
The massive bulk of the earth does indeed shrink to insignificance in comparison with the size of the heavens.
Quotation of Nicolaus Copernicus
Therefore I would not have it unknown to Your Holiness, the the only thing which induced me to look for another way of reckoning the movements of the heavenly bodies was that I knew that mathematicians by no means agree in their investigation thereof.
Quotation of Nicolaus Copernicus
Therefore, having obtained the opportunity from these sources, I too began to consider the mobility of the earth.
Quotation of Nicolaus Copernicus
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.
Quotation of Nicolaus Copernicus
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.
Quotation of Nicolaus Copernicus
Those things which I am saying now may be obscure, yet they will be made clearer in their proper place.
Quotation of Nicolaus Copernicus
Those who know that the consensus of many centuries has sanctioned the conception that the earth remains at rest in the middle of the heavens as its center, would, I reflected, regard it as an insane pronouncement if I made the opposite assertion that the earth moves.
Quotation of Nicolaus Copernicus
To be sure, heretofore there has been virtually unanimous acceptance of the belief that the middle of the universe is the earth.
Quotation of Nicolaus Copernicus
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.
Quotation of Nicolaus Copernicus
We regard it as a certainty that the earth, enclosed between poles, is bounded by a spherical surface.
Quotation of Nicolaus Copernicus
We should not heed certain peripatetics who declared that the entire body of water is ten times greater than all the land.
Quotation of Nicolaus Copernicus
Yet if anyone believes that the earth rotates, surely he will hold that its motion is natural, not violent.
Quotation of Nicolaus Copernicus