A good fighter usually knows, to within a very few seconds, when a three-minute round is going to end.
Source: In 2,715 One-Line Quotations for Speakers, Writers & Raconteurs, by Edward F. Murphy, 1981.
-- Jack Dempsey, (Jun 24 1895-1983), US boxer; The Manassa Mauler was heavyweight boxing champ, 1919-26 and 1931-1940; Hall of Fame, 1954.