<http://webisa.webdatacommons.org/164764379>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/71207704>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/164764379> .
<http://webisa.webdatacommons.org/164764379>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/164764379>	<http://www.w3.org/ns/prov#value>	"Perhaps the hardest task of all is to examine what went wrong and to fix problems so they do not happen again." .