<http://webisa.webdatacommons.org/prov/92745003> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/140409894> . <http://webisa.webdatacommons.org/140409894> <http://www.w3.org/ns/prov#value> "On this site the fundamentals of time are discussed but the only people who can understand it are those who know there is no such thing as black holes" . <http://webisa.webdatacommons.org/140409894> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/140409894> <http://www.w3.org/ns/prov#wasQuotedFrom> <hyperflight.com> .