Adage Origin: Whatever Is Worth Doing Is Worth Overdoing

Steven Tyler? Keble Howard? George E. Waring Jr.? Henry Stanley Haskins? Robert Heinlein? Lord Chesterfield? Anonymous? Question for Quote Investigator: The following adage celebrates enthusiasm and exuberance: Anything worth doing is worth overdoing. This saying has been attributed to the rock star Steven Tyler and science fiction author Robert Heinlein. Would you please help me …