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Today Nicolaus Copernicus's book De revolutionibus orbium coelestium is banned by the Catholic Church - March 05, 1616
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
Wow miraculous ladybug really out here making a reference to nicolaus copernicus,,,, we stan that
"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
"Mathematics is written for mathematicians." by Nicolaus Copernicus