He who has a slight disadvantage plays more attentively, inventively and more boldly than his antagonist who either takes it easy or aspires after too much. Thus a slight disadvantage is very frequently seen to convert into a good, solid advantage.
Emanuel LaskerWhen Alekhine recognizes the weakness in his position he has a tendency to become very aggressive. Patient defence is not for him if he can see the slightest chance of creating an attack. Yet sound strategy often demands that you submit to the opponent's will so as to strengthen your weaknesses and get rid of defects in your game.
Emanuel LaskerThe laws of chess do not permit a free choice: you have to move whether you like it or not.
Emanuel Lasker