About: http://webisa.webdatacommons.org/426749662

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	Is it not quite certain that mountains, seas, and nebulae exist whether anyone is observing them or not?
http://www.w3.org/ns/prov#wasQuotedFrom	libertyfund.org