Strategy requires thought, tactics require observation

Capablanca did not apply himself to opening theory (in which he never therefore achieved much), but delved deeply into the study of end-games and other simple positions which respond to technique rather than to imagination.

Whoever sees no other aim in the game than that of giving checkmate to one's opponent will never become a good Chess player

Capablanca plays very superficially sometimes, in a way that can only be ascribed to lack of concentration. This is an integral weakness of his make-up and can only be partially compensated by his employing his time allowance to the full.

The 'chess machine', by which admiring title he had been known, revealed the great drawback of a machine: it had not sufficient flexibility to adapt itself to altered circumstances.

Chess is a sport. The main object in the game of chess remains the achievement of victory.

Alekhine's real genius is in the preparation and construction of a position, long before combinations or mating attacks come into consideration at all.