About: http://webisa.webdatacommons.org/269832818

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	Keyes says it has been attributed to Robert Louis Stevenson, H.L. Mencken and others, but especially to Mark Twain.
http://www.w3.org/ns/prov#wasQuotedFrom	who2.com