TENACITY, n. A certain quality of the human hand in its relation to the coin of the realm. It attains its highest development in the hand of authority and is considered a serviceable equipment for a career in politics.
Source: The Devil's Dictionary, 1911.
-- Ambrose Bierce, (Jun 24 1842-1914), US journalist, short-story writer; He was a noted wit, satirist and sardonic short story writer who disappeared while covering the Mexican revolution.