nicolaus-copernicus

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First of all, we must note that the universe is spherical.
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nicolaus-copernicus 哥白尼 名人名言
In so many and such important ways, then, do the planets bear witness to the earth's mobility.
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nicolaus-copernicus 哥白尼 名人名言
Yet if anyone believes that the earth rotates, surely he will hold that its motion is natural, not violent.
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For I am not so enamoured of my own opinions that I disregard what others may think of them.
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For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study.
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We regard it as a certainty that the earth, enclosed between poles, is bounded by a spherical surface.
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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.
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Mathematics is written for mathematicians.
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At rest, however, in the middle of everything is the sun.
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Therefore, having obtained the opportunity from these sources, I too began to consider the mobility of the earth.
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nicolaus-copernicus 哥白尼 名人名言