About: http://webisa.webdatacommons.org/121155705

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	there is no such thing as certainty: this is the basis of philosophical skepticism, as in, how do I know I really exist / other people really exist / etc.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com