Let no one expect anything of certainty from astronomy, lest if anyone take as true that which has been constructed for another use, he go away... a bigger fool than when he came to it.
Nicolas Copernicus quote The Earth revolves around the Sun.
Nicolas Copernicus quote 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.
Nicolas Copernicus quote Biography
Famous astronomer
