Matthew 24 and 25 are the only chapters in the four gospels that receive systematic commentary by Swedenborg. That makes them really interesting, because we get a glimpse of how to look for the inner meaning using methods like the ones he used to study Genesis, Exodus, and Revelation.

We find this commentary deep in the middle of "Arcana Coelestia". For chapter 24, it starts in Arcana Coelestia 3353, (and continues in 3487-3489, 3650-3655, 3750-3757, 3897-3900, 4056-4060, 4229-4335, 4422-4424). Here's an excerpt from no. 3353:

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"Here first let the... words be explained which appear in Matthew [24:3-8].... Those who confine themselves to the sense of the letter cannot know whether these words and those that follow in this chapter refer to the destruction of Jerusalem and the dispersion of the Jews, or whether they refer to the end of days which is called the Last Judgement. But those admitted into the internal sense see clearly that the end of the Church is being referred to, this end being that which here and in other places is called 'the coming of the Lord' and 'the close of the age'. And inasmuch as the end of the Church is meant one is able to see that all these statements made by the Lord mean such things as have to do with the Church. But their overall meaning may be seen from the individual meaning below which each of them has in the internal sense.

Many will come in My name, saying, I am the Christ; and they will lead many astray. 'Name' here does not mean name, nor 'the Christ' the Christ, but 'name' means that by which the Lord is worshipped, 2724, 3006, while 'the Christ' means truth itself, 3009, 3010. Thus the meaning is that people will come who say that this is the sum and substance of faith, that is, it is the truth, when in fact it is neither the sum and substance of faith, nor the truth, but falsity.

They will hear of wars and rumours of wars means that arguments and disagreements over truths will arise which are wars in the spiritual sense.

Nation will be roused against nation and kingdom against kingdom means that evil will conflict with evil, and falsity with falsity, 'nation' meaning good, but in the contrary sense evil, see 1259, 1260, 1416, 1849, and 'kingdom' meaning truth, but in the contrary sense falsity, 1672, 2547. And there will be famines, and plagues, and earthquakes in various places means that no cognitions of good and truth will exist any more, and thus that the state of the Church is altered, meant by 'an earthquake'.'

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That's how Swedenborg described the inner meaning. Not surprisingly, it's pretty consistent with his exegesis of other books. It's interesting to see it applied to the Gospels, where often the literal meaning seems easier to apply to our lives than the stories of the Old Testament.

Next, we'll append the commentary on this chapter that Rev. John Clowes wrote back in the 1850's:

Verses 1, 2. The Lord predicts the vastation and destruction of the church.

Verses 3, 4. And from His Divine Love teaches, that the understanding ought to be opened to the light of truth, to prevent its being misled by falsities.

Verse 5. Because those are about to come who will say that this is of faith, or this is truth, when yet it is neither of faith nor is it truth, but what is false.

Verse 6. Debates also and disputes will exist concerning truths.

Verse 7. And the evil is about to fight against good, and the false against truth, and there will no longer be any knowledge of what is good and true, but perversion instead thereof, whereby the state of the church will be changed.

Verse 8. That this is the first state of the perversion of the church.

Verse 9. That the second state is when good and truth are about to perish, first by perversion, next by denial, and then by contempt for, and aversion from, all things which are of good and truth.

Verse 10. That hence will come enmities against the Lord's Divine Humanity, and likewise against all truth and good.

Verse 11. Also false doctrines and derivations thence.

Verse 12. And with faith will expire charity, according to the falsities of faith.

Verse 13. But they who are in charity, and do not suffer themselves to be seduced, will be saved.

Verse 14. And these things will first be made known in the Christian world, that none may pretend that they were ignorant, and then will be the consummation.

Verse 15. And when such things are observed, which had been predicted concerning vastation as to all things that are of good and truth, they ought to be carefully attended to, especially by those who are in love and faith.

Verse 16. Who, on such occasion, ought not to look elsewhere than to the Lord, thus to love to Him and charity towards the neighbour.

Verse 17. And they who are in the good of charity, ought not to take themselves thence to those things which are of the doctrines of faith.

Verse 18. And they who are in the good of truth, should not take themselves from its good to the doctrines of truth.

Verse 19. For they who are imbued with the good of love to the Lord, and with the good of innocence, will then be in danger of profaning those goods, and thus of eternal damnation.

Verse 20. They, therefore, who are principled in good and truth, ought to take heed lest a removal from those principles should be made precipitately in a state of too much cold arising from self-love, and in a state of too much heat arising from a holy external, concealing inwardly the loves of self and of the world.

Verse 21. For on that occasion will be the highest degree of perversion and vastation of the church as to good and truth, which is profanation.

Verse 22. So that for the salvation of those who are in the life of good, it will be necessary that they who are of the church should be removed from interior goods and truths to exterior.

Verses 23, 24. And the doctrine of those who are in a holy external principle, but in a profane internal, is to be guarded against, because it abounds with falsities.

Verse 24, latter part. Which falsities are supported by confirmations and persuasions grounded in external appearances and fallacies, whereby the simple suffer themselves to be seduced, but against which they are guarded who are in the life of good and truth.

Verse 25. Therefore there is need of prudence and caution.

Verse 26. Since they are not to be believed either as to what they speak about truth, or what they speak about good.

Verse 27. For as the lightning is instantly dissipated, so the internal worship of the Lord will at that time be dissipated also.

Verse 28. And confirmations of what is false will be multiplied by reasonings in the vastated church.

Verse 29. And where there is no longer any faith remaining, all love to the Lord and charity towards the neighbour will disappear, and the knowledges of good and truth will perish, and thus the foundations of the church will be removed.

Verse 30. And then shall be the appearing of Truth Divine, and all who are in the good of love and the truth of faith will be in grief, and then shall be revealed the Word as to its internal sense, in which the Lord is.

Verse 31. And then shall be election by the influx of holy good and truth from the Lord by the angels, and thus the establishment of a new church.

Verse 32. And when this new church is creating by the Lord, then first of all appears the good of the natural principle with its affections and truths.

Verse 33. And when all the things above spoken of appear, then will be the consummation of the church, that is the last judgement and coming of the Lord, consequently then the old church will be rejected, and the new established.

Verse 34. And the Jewish nation in the mean time will not be extirpated like other nations.

Verse 35. And the internals and externals of the former church will perish, but the Word of the Lord will remain.

Verse 36. And the state of the church at that time, as to goods and truths, will not appear to anyone, neither in earth nor in heaven, but to the Lord alone.

Verse 37. But the state of the vastation of those who are of the church will resemble that of the first or most ancient church, the consummation of whose age, or whose last judgement, is described by a flood.

Verse 38, 39. For they will appropriate evil and the false, and will conjoin those principles in themselves, and will not know that they are inundated by them, because they will be ignorant what the good of love to the Lord is, and the good of charity towards the neighbour, also what the truth of faith is, therefore they will not receive the Divine Truth.

Verse 40. Nevertheless they within the church, who are in good, will be saved, and they within the church, who are in evil, will be damned.

Verse 41. And they within the church who are in truth, that is, in the affection thereof from good, will be saved, and they within the church who are in truth that is in the affection thereof from evil, will be damned.

Verses 42, 43, 44. Therefore man ought to procure to himself life from the Lord, which is spiritual life, because he is in ignorance what the state of his life is, which is to remain to eternity.

Verse 45. And for this purpose he should make enquiry concerning the principles of heavenly good and truth, by which the natural man is restored to order, and made receptive of heavenly life.

Verses 46, 47. Until he discovers that those principles are in conjunction with the Lord, and have thence dominion over all inferior principles.

Verses 48, 49, 50, 51. And that if the natural man through unbelief perverts those principles, and appropriates to himself evils and falsities, he will then know nothing of the interior state of his own life, but will be separated from all the goods and truths of heaven, and will have his lot with those who outwardly appear in truth as to doctrine, and in good as to life, but inwardly believe nothing of truth, and will nothing of good, whose state thereof in the other life is most lamentable, from the distraction between evils and goods, and the collision of falsities with truths.

493. That he should offer it with the prayers of all the saints upon the golden altar which is before the throne, signifies the conjunction of the heavens with those who are to be separated from the evil and saved. This is evident from the signification of "offering incense with prayers," as being to conjoin the good of the higher heavens by means of truths with those who are in worship from spiritual good (of which presently); also from the signification of "all the saints," as being those who are in good by means of truths, thus who are in spiritual good; that these are called "saints" may be seen above n. 204; again, from the signification of "the golden altar," as being the heaven where there is spiritual good, for the altar upon which incense was offered was called "the golden altar;" again, from the signification of "before the throne," as being conjunction with heaven, "to be before the throne" signifies that conjunction, as may be seen above (n. 462, 477, 489).

[2] That these words signify the conjunction of the heavens with those who are to be separated from the evil and saved, can be seen from the series of things in the internal sense, and from the connection of what goes before with what is now said and with what follows, and also from the signification of the words in the internal sense. For this and the following chapters treat of the last state of the church, or its state when its end has come and the judgment is at hand; but before this state is described, the separation of those who were to be saved is treated of, who are all such as are meant by "those sealed on their foreheads," and by "those clothed in white robes" who were treated of in the preceding chapter. Because these were at that time associated in societies with those who were to be damned, in this chapter the means by which they were separated and saved are described, namely, that the higher heavens were first closely conjoined with the Lord by Divine influx into celestial good, and through that into spiritual good, and afterwards by Divine influx through these goods, conjoined into one, into the lower regions where those who were to be saved and those who were to be damned were together in societies. This influx of the Lord out of the higher heavens was received by those who in the world had lived in good, for that good continued with them, therefore by means of that good they were conjoined to the higher heavens, and thus separated from those who were unable to receive the influx, because they had not lived in good but in evil while they were in the world.

[3] This also is what is meant by the Lord's words in the Gospels:

Then shall two men be in the field, one shall be taken, the other shall be left. Two women shall be grinding, one shall be taken, the other shall be left (Matthew 24:40, 41; Luke 17:34-36).

This is the series of things in the internal sense, and the connection of those that precede with what is now said and with what follows (respecting which see more, n. 413, 418, 419, 426, 489). From this it can now be seen what the spiritual sense is of these words, "that he should offer the incense with the prayers of all the saints upon the golden altar which is before the throne," namely, the conjunction of the higher heavens with those who were to be separated from the evil and saved. The "prayers" with which the incense was to be offered do not mean prayers, but truths from good, by means of which prayers are offered; for truths with man are what pray, and man is continually in such prayers when he lives according to truths. (That "prayers" mean in the Word truths from good which are with man, and not prayers of the mouth, may be seen above, n. 325)