The expression, “The rule meant him to follow up 100 by 101,” makes it appear that this rule, as it was meant, foreshadowed all the transitions which were to be made according to it. But the assumption of a shadow of a transition does not get us any further, because it does not bridge the gulf between it and the transition itself. || real transition. If the mere words of the rule could not anticipate a future transition, no more could any mental act accompanying these words.