We regard it as a certainty that the earth, enclosed between poles, is bounded by a spherical surface.

Quote by Nicolaus Copernicus

Topics: Nicolaus Copernicus Quotes

Yet if anyone believes that the earth rotates, surely he will hold that its motion...

Yet if anyone believes that the earth rotates, surely he will hold that its motion...

The earth also is spherical, since it presses upon its center from every direction.

The earth also is spherical, since it presses upon its center from every direction.

Pouring forth its seas everywhere, then, the ocean envelops the earth and fills its deeper...

Pouring forth its seas everywhere, then, the ocean envelops the earth and fills its deeper...

Those who know that the consensus of many centuries has sanctioned the conception that the...

Those who know that the consensus of many centuries has sanctioned the conception that the...

Mathematics is written for mathematicians.

Mathematics is written for mathematicians.

Therefore, having obtained the opportunity from these sources, I too began to consider the mobility...

Therefore, having obtained the opportunity from these sources, I too began to consider the mobility...

Moreover, since the sun remains stationary, whatever appears as a motion of the sun is...

Moreover, since the sun remains stationary, whatever appears as a motion of the sun is...

At rest, however, in the middle of everything is the sun.

At rest, however, in the middle of everything is the sun.

First of all, we must note that the universe is spherical.

First of all, we must note that the universe is spherical.

So, influenced by these advisors and this hope, I have at length allowed my friends...

So, influenced by these advisors and this hope, I have at length allowed my friends...

For I am not so enamoured of my own opinions that I disregard what others...

For I am not so enamoured of my own opinions that I disregard what others...

Near the sun is the center of the universe.

Near the sun is the center of the universe.

Although all the good arts serve to draw man's mind away from vices and lead...

Although all the good arts serve to draw man's mind away from vices and lead...

The earth together with its surrounding waters must in fact have such a shape as...

The earth together with its surrounding waters must in fact have such a shape as...

I am aware that a philosopher's ideas are not subject to the judgment of ordinary...

I am aware that a philosopher's ideas are not subject to the judgment of ordinary...

I shall now recall to mind that the motion of the heavenly bodies is circular,...

I shall now recall to mind that the motion of the heavenly bodies is circular,...

So far as hypotheses are concerned, let no one expect anything certain from astronomy, which...

So far as hypotheses are concerned, let no one expect anything certain from astronomy, which...

Accordingly, since nothing prevents the earth from moving, I suggest that we should now consider...

Accordingly, since nothing prevents the earth from moving, I suggest that we should now consider...

For it is the duty of an astronomer to compose the history of the celestial...

For it is the duty of an astronomer to compose the history of the celestial...

I can easily conceive, most Holy Father, that as soon as some people learn that...

I can easily conceive, most Holy Father, that as soon as some people learn that...