Chess is a foolish expedient for making idle people believe they are doing something very clever, when they are only wasting their time.
George Bernard Shaw (1856-1950)
One cannot play chess if one becomes aware of the pieces as living souls and of the fact that the Whites and the Blacks have more in common with each other than with the players.
Anatol Rapoport (1911-2007)
Tactics is knowing what to do when there is something to do; strategy is knowing what to do when there is nothing to do.
Ksawery Tartakower (1887-1956)