<http://webisa.webdatacommons.org/prov/36421118>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/283033494> .
<http://webisa.webdatacommons.org/283033494>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/283033494>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/283033494>	<http://www.w3.org/ns/prov#value>	"Science is a world of competing theories and a place where firmly held theories can quickly be replaced (peppered moths, appendix)." .