About: http://webisa.webdatacommons.org/116099514

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	It has nothing to do with the quote being valid as anything other than the statement of a popular opinion that Sagan happened to share.
http://www.w3.org/ns/prov#wasQuotedFrom	atheistnexus.org