<http://webisa.webdatacommons.org/prov/233922937>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/450950889> .
<http://webisa.webdatacommons.org/450950889>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<spaceandmotion.com> .
<http://webisa.webdatacommons.org/450950889>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/450950889>	<http://www.w3.org/ns/prov#value>	"Man is continually developing new forms of insight, which are clear up to a point and then tend to become unclear." .