About: http://webisa.webdatacommons.org/143976069

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	Gravity is a fact, but like equality no one really knows what it is either; scientists are still trying to figure that out.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com