If Tal would learn to program himself properly, then it would become quite impossible to play against him.
Mikhail BotvinnikEvery great master will find it useful to have his own theory on the openings, which only he himself knows, a theory which is closely linked with plans for the middle game.
Mikhail BotvinnikI claim that nothing else is so effective in encouraging the growth of chess strength as such independent analysis, both of the games of the great players and your own.
Mikhail Botvinnik