<http://webisa.webdatacommons.org/1600768> <http://www.w3.org/ns/prov#value> "shape is that it exists nowhere in nature except in man; and that we" . <http://webisa.webdatacommons.org/prov/214924645> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/1600768> . <http://webisa.webdatacommons.org/1600768> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/1600768> <http://www.w3.org/ns/prov#wasQuotedFrom> <gutenberg.net.au> .