By 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 LaskerTo refer to the oft mooted question, "Which piece is stronger, the Bishop or the Knight?" it is clear that the value of the Bishop undergoes greater changes than that of the Knight.
Emanuel LaskerA chess game, after all, is a fight in which all possible factors must be made use of, and in which a knowledge of the opponent's good and bad qualities is of the greatest importance.
Emanuel LaskerThe combination player thinks forward; he starts from the given position, and tries the forceful moves in his mind
Emanuel Lasker