“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, b. 19 February 1473
“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, b. 19 February 1473
Tags: february 19, Nicolaus Copernicus
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