Quoted in'A RogersThesaurus' inThe Saturday Review, 25 Aug 1962. Another form of the quote appeared in a syndicated newspaper article,15 Feb1925: 'Heroing is one of the shortestlived professions there is'.
Ralph Waldo Emerson (2010). “Essays and English Traits by Ralph Waldo Emerson: The Five Foot Shelf of Classics, Vol. V (in 51 Volumes)”, p.133, Cosimo, Inc.