<http://webisa.webdatacommons.org/417441635>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<dhspriory.org> .
<http://webisa.webdatacommons.org/prov/392032809>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/417441635> .
<http://webisa.webdatacommons.org/417441635>	<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://webisa.webdatacommons.org/417441635>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .