About: http://webisa.webdatacommons.org/417441635

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	[2] An effect is most perfect when it returns to its source; thus, the circle is the most perfect of all figures, and circular motion the most perfect of all motions, because in their case a return is made to the starting point.
http://www.w3.org/ns/prov#wasQuotedFrom	dhspriory.org