The laws of chess do not permit a free choice: you have to move whether you like it or not.
Emanuel LaskerThe delight in gambits is a sign of chess youth... In very much the same way as the young man, on reaching his manhood years, lays aside the Indian stories and stories of adventure, and turns to the psychological novel, we with maturing experience leave off gambit playing and become interested in the less vivacious but withal more forceful manoeuvres of the position player.
Emanuel LaskerBy positional play a master tries to prove and exploit true values, whereas by combinations he seeks to refute false values ... A combination produces an unexpected re-assessment of values.
Emanuel Lasker