Good positions don't win games, good moves do.[Gerald ABRAHAMS]I've wasted a Black.[ABRAHAMS, after drawing a game with the Black pieces]You can retreat pieces... but not pawns. So always think twice about pawn moves.[Michael STEAN, in Simple Chess]Open files can be used by both players. The chess player, not being an unselfish advocate of equal opportunity, naturally prefers a one-way system.[Michael STEAN, in Simple Chess, on half-open files]