About: http://webisa.webdatacommons.org/114515469

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	All that is needed to solve problems is a ruler and a pair of compasses.
http://www.w3.org/ns/prov#wasQuotedFrom	opticsinfobase.org