469. Spirits and angels, equally with men, have a memory, whatever they hear, see, think, will and do, remaining with them, and thereby their rational faculty is continually cultivated even to eternity. Thus spirits and angels, equally with men, are perfected in intelligence and wisdom by means of knowledges of truth and good. That spirits and angels have a memory I have been permitted to learn by much experience, having seen everything that they have thought and done, both in public and in private, called forth from their memories when they were with other spirits; and I have seen those that were in some truth from simple good imbued with knowledges, and thereby with intelligence, and afterwards raised up into heaven. But it must be understood that such are not imbued with knowledges and thereby with intelligence beyond the degree of affection for good and for truth that they have attained to while in the world; for such and so much of affection as any spirit or angel had in the world remains with him; and this affection is afterwards perfected by being filled out, which goes on to eternity. For everything is capable of being filled out to eternity, since everything is capable of infinite variation, thus of enrichment by various things, and consequently of multiplication and fructification. To any thing good there is no limit because it is from the Infinite. That spirits and angels are being perfected unceasingly in intelligence and wisdom by means of knowledges of truth and good may be seen above, in the chapters on the wisdom of the angels of heaven (n. 265-275); on the heathen or people outside the church in heaven (n. 318-328); and on little children in heaven (n. 329-345); and that this is done to that degree of affection for good and for truth in which they had been in the world, and not beyond it, may be seen in n. 349.