Which treats of the second kind of evil that may come to the soul from the devil by way of the natural apprehensions of the memory.

THE second positive evil that may come to the soul by means of the knowledge of the memory proceeds from the devil, who by this means obtains great influence over it. For he can continually bring it new forms, kinds of knowledge and reflections, by means whereof he can taint the soul with pride, avarice, wrath, envy, etc., and cause it unjust hatred, or vain love, and deceive it in many ways. And besides this, he is wont to leave impressions,[496] and to implant them in the fancy, in such wise that those that are false appear true, and those that are true, false, And finally all the worst deceptions which are caused by the devil, and the evils that he brings to the soul, enter by way of knowledge and reflections of the memory, Thus if the memory enter into darkness with respect to them all, and be annihilated in its oblivion to them, it shuts the door altogether upon this evil which proceeds from the devil, and frees itself from all these things, which is a great blessing. For the devil has no power over the soul unless it be through the operations of its faculties, principally by means of knowledge, whereupon depend almost all the other operations of the other faculties. Wherefore, if the memory be annihilated with respect to them, the devil can do naught; for he finds no foothold, and without a foothold he is powerless.[497]

2. I would that spiritual persons might clearly see how many kinds of harm are wrought by evil spirits in their souls by means of the memory, when they devote themselves frequently to making use of it, and how many kinds of sadness and affliction and vain and evil joys they have, both with respect to their thoughts about God, and also with respect to the things of the world; and how many impurities are left rooted in their spirits; and likewise how greatly they are distracted from the highest recollection, which consists in the fixing of the whole soul, according to its faculties, upon the one incomprehensible Good, and in withdrawing it from all things that can be apprehended, since these are not incomprehensible Good. This is a great good (although less good results from this emptiness than from the soul's fixing itself upon God), simply because it is the cause whereby the soul frees itself from any griefs and afflictions and sorrows, over and above the imperfections and sins from which it is freed.