<http://webisa.webdatacommons.org/238423517>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cafehayek.com> .
<http://webisa.webdatacommons.org/prov/471059169>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/238423517> .
<http://webisa.webdatacommons.org/238423517>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/238423517>	<http://www.w3.org/ns/prov#value>	"He provided the extreme examples of diamonds as having no value except (numismatic) trade and water except use." .