Good positions don't win games, good moves do.
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]