About: http://webisa.webdatacommons.org/286064558

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	He discovered that, in the first 150 years or so of the republic, self-help books mostly emphasised character; it was only after the second world war that they switched to touting superficial qualities such as appearance and style.
http://www.w3.org/ns/prov#wasQuotedFrom	economist.com