About: http://webisa.webdatacommons.org/255361589

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Descartes (1596-1650) contributed to mathematics and especially to philosophy -- to the latter with his basic questioning and his principle of cogito, ergo sum (I think, therefore I am).
http://www.w3.org/ns/prov#wasQuotedFrom	religion-online.org