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don_socal

quotes 2 -9 -13

don_socal
11 years ago

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

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

Finally we shall place the Sun himself at the center of the Universe.
Nicolaus Copernicus

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