<http://rdf.freebase.com/ns/quotationsbook.quote.19891> <http://rdf.freebase.com/ns/type.object.key> _:TCGQHuHG353.
<http://rdf.freebase.com/ns/quotationsbook.quote.19891> <http://rdf.freebase.com/ns/media_common.quotation.subjects> <http://rdf.freebase.com/ns/en.humour>.
<http://rdf.freebase.com/ns/quotationsbook.quote.19891> <http://rdf.freebase.com/ns/media_common.quotation.author> <http://rdf.freebase.com/ns/en.mark_twain>.
<http://rdf.freebase.com/ns/quotationsbook.quote.19891> <http://creativecommons.org/ns#attributionURL> <http://www.freebase.com/view/quotationsbook/quote/19891>.
<http://rdf.freebase.com/ns/quotationsbook.quote.19891> <http://rdf.freebase.com/ns/type.object.name> "The secret source of humor itself is not joy but sorrow. There is no humor in heaven."@en.
<http://rdf.freebase.com/ns/quotationsbook.quote.19891> <http://creativecommons.org/ns#attributionName> "Source: Freebase - The World's database".
<http://rdf.freebase.com/ns/quotationsbook.quote.19891> <http://www.w3.org/1999/xhtml/vocab#license> <http://creativecommons.org/licenses/by/3.0/>.
<http://rdf.freebase.com/ns/quotationsbook.quote.19891> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/common.topic>.
<http://rdf.freebase.com/ns/quotationsbook.quote.19891> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/media_common.quotation>.
_:TCGQHuHG353 <http://rdf.freebase.com/ns/type.value.value> "19891".
_:TCGQHuHG353 <http://rdf.freebase.com/ns/type.key.namespace> <http://rdf.freebase.com/ns/quotationsbook.quote>.