This controversy some philosophers have seen no other approved means of solving than by introducing cycles of time, in which there should be a constant renewal and repetition of the order of nature; and they have therefore asserted that these cycles will ceaselessly recur, one passing away and another coming, though they are not agreed as to whether one permanent world shall pass through all these cycles, or whether the world shall at fixed intervals die out, and be renewed so as to exhibit a recurrence of the same phenomena—the things which have been, and those which are to be, coinciding. And from this fantastic vicissitude they exempt not even the immortal soul that has attained wisdom, consigning it to a ceaseless transmigration between delusive blessedness and real misery. For how can that be truly called blessed which has no assurance of being so eternally, and is either in ignorance of the truth, and blind to the misery that is approaching, or, knowing it, is in misery and fear? Or if it passes to bliss, and leaves miseries for ever, then there happens in time a new thing which time shall not end. Why not, then, the world also? Why may not man, too, be a similar thing? So that, by following the straight path of sound doctrine, we escape, I know not what circuitous paths, discovered by deceiving and deceived sages.