XXIII. (1.146) The ladder therefore in the world which is here spoken of in this symbolical manner, was something of this sort. But if we carefully investigate the soul which exists in men, the foundation of which is something corporeal, and as it were earth-like, we shall find that the foundation to be the outward sense; and the head to be something heavenly, as it were the most pure mind. (1.147) But all the words of God move incessantly upwards and downwards through the whole of it, dragging it upwards along with them whenever they soar aloft, and separating it from whatever is mortal, and exhibiting to it a sight of those things which alone are worthy of being beheld; but yet not casting it down when they descend. For neither is God himself, nor the word of God, worthy of blame. But they join with them in their descent, by reason of their love for mankind and compassion for our race, for the sake of being their allies and rendering them assistance, in order that by breathing in a saving inspiration they may recall to life the soul which was still being tossed about in the body as in the river. (1.148) Now the God and governor of the universe does by himself and alone walk about invisibly and noiselessly in the minds of those who are purified in the highest degree. For there is extant a prophecy which was delivered to the wise man, in which it is said: "I will walk among you, and I will be your God."[Le 26:12.] But the angels--the words of God--move about in the minds of those persons who are still in a process of being washed, but who have not yet completely washed off the life which defiles them, and which is polluted by the contact of their heavy bodies, making them look pure and brilliant to the eyes of virtue. (1.149) But it is plain enough what vast numbers of evils are driven out, and what a multitude of wicked inhabitants is expelled in order that one good man may be introduced to dwell there. Do thou, therefore, O my soul, hasten to become the abode of God, his holy temple, to become strong from having been most weak, powerful from having been powerless, wise from having been foolish, and very reasonable from having been doting and childless. (1.150) And perhaps too the practiser of virtue represents his own life as like to a ladder; for the practice of anything is naturally an anomalous thing, since at one time it soars up to a height, and at another it turns downwards in a contrary direction; and at one time has a fair voyage like a ship, and at another has but an unfavourable passage; for, as some one says, the life of those who practise virtue is full of vicissitudes: being at one time alive and waking, and at another dead or sleeping. (1.151) And perhaps this is no incorrect statement; for the wise have obtained the heavenly and celestial country as their habitation; having learnt to be continually mounting upwards, but the wicked have received as their share the dark recesses of hell, having from the beginning to the end of their existence practised dying, and having been from their infancy to their old age familiarised with destruction. (1.152) But the practisers of virtue, for they are on the boundary between two extremities, are frequently going upwards and downwards as if on a ladder, being either drawn upwards by a more powerful fate, or else being dragged down by that which is worse; until the umpire of this contention and conflict, namely God, adjudges the victory to the more excellent class and utterly destroys the other.