About: http://webisa.webdatacommons.org/159533164

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	The expression about man thinking the world is flat is a commonly used way of describing his general lack of knowledge in the complexities of his world including the gravity that keeps him staying put.
http://www.w3.org/ns/prov#wasQuotedFrom	ghosthuntingtheories.com