... serving. He served a fault and started a second delivery. Just as he commenced his swing, a loud and very lusty "Fore!" rang out from the links. Armstrong unconsciously looked away and served his delivery to the backstop and the game to me. The umpire refused to "let" call and the incident closed. Yet a wandering mind in that case meant the loss of ... — The Art of Lawn Tennis • William T. Tilden, 2D