Violence does, in truth, recoil upon the violent, and the schemer falls into the pit which he digs for another.
Source: Sherlock Holmes in The Adventures of Sherlock Holmes, The Speckled Band, 1892.
-- Arthur Conan Doyle, (May 22 1859-1930), Scottish author, physician; He created the detective Sherlock Holmes in A Study in Scarlet, 1887.