Quote from: Knowledge Topic

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.


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Author Bio


  • NameNicolaus Copernicus
  • DescriptionRenaissance mathematician, astronomer, physician and canon
  • AliasesMiko?aj Kopernik; Nikolaus Kopernikus
  • BornFebruary 19, 1473
  • DiedMay 24, 1543
  • CountryPoland
  • ProfessionAstronomer; Jurist; Economist; Mathematician; Scientist; Physicist; Philosopher