quotes 2 -9 -13

don_socalFebruary 9, 2013

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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lilosophie

Copernicus was considered a heretic and wrong, but he knew what he knew

    Bookmark   February 9, 2013 at 9:34AM
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anneliese_32(6)

Wonder what his distractors would have to say now, when even the sun is just a dustmote in the Universe. Hold it, there are still people who believe that Earth is the center of the Universe.

    Bookmark   February 9, 2013 at 11:33AM
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mawheel

I've always heard that "Ignorance is bliss", but we know that's not true. However, I've never figured out how one knows when one is ignorant of something important. You don't know what you don't know -- and that's a fact!

    Bookmark   February 9, 2013 at 3:18PM
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west_gardener

Lol, I know what I know, but I don't know what I don't know.

    Bookmark   February 9, 2013 at 7:29PM
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