<http://webisa.webdatacommons.org/260385011> <http://www.w3.org/ns/prov#value> "Finally, as Einstein noted Space and time are modes in which we think, not conditions in which we exist which is a view also expressed in 900 AD by the Arabic physicist Ikhwan al-Sufa, Space is a form abstracted from matter and exists only in consciousness\"." . <http://webisa.webdatacommons.org/prov/204636130> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/260385011> . <http://webisa.webdatacommons.org/260385011> <http://www.w3.org/ns/prov#wasQuotedFrom> <stanford.edu> . <http://webisa.webdatacommons.org/260385011> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .