Truman Capote's lifelong friend was Ernest Hemingway.
"L'homme qui a vu l'homme qui a vu l'ours" (French proverb)  similar French language proverb literally meaning The man who saw the man who saw the bear, in which the bear is never seen, only heard of
 The phrase "Friend Of A Friend", converted to the acronym FAOF, has been adopted in Web Ontology Language

