About: http://webisa.webdatacommons.org/309407636

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	I had spoken to Planck on only a few occasions, mostly about physics and not about general questions, but I was acquainted with some of Planck's close friends, who had told me a great deal about his attitude.
http://www.w3.org/ns/prov#wasQuotedFrom	edge.org