Quote Origin: He Who Acts as His Own Doctor Has a Fool for a Patient

Roger L’Estrange? William Grant? John Bristed? William J. Flagg? William Osler? Anonymous? Question for Quote Investigator: A person with a serious malady should be very cautious about treating himself or herself. This holds true even if the person is a physician. Here are some versions of a pertinent adage: Would you please explore the provenance …