And, as a matter of fact, it is true that, generally speaking, the difficulty of attaining to the object of a desire enhances that desire (the difficulty, not the impossibility, for that suppresses it altogether), yet in the case of a desire that is wholly physical the certainty that it will be realised, at a fixed and not distant point in time, is scarcely less exciting than uncertainty; almost as much as an anxious doubt, the absence of doubt makes intolerable the period of waiting for the pleasure that is bound to come, because it makes of that suspense an innumerably rehearsed accomplishment and by the frequency of our proleptic representations divides time into sections as minute as could be carved by agony. What I required was to possess