About: http://webisa.webdatacommons.org/356503456

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	Mental pleasure can come from contemplation, conversation, chess and other stimulating activities.
http://www.w3.org/ns/prov#wasQuotedFrom	changingminds.org