About: http://webisa.webdatacommons.org/409009912

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When we say that the diamond is the hardest of all bodies, he observes in his fragmentary Treatise on the Vacuum, we mean of all bodies with which we are acquainted.
http://www.w3.org/ns/prov#wasQuotedFrom	leaderu.com