Andrew of Caesarea
The smoke indicates the fearful, dreadful, and tormenting wrath of God. Having filled the temple, it overtakes those worthy of it on the day of Judgment, especially those who submitted to the Antichrist and did apostate works.
This is confirmed by what follows, for he says: “And no one could enter the temple until the seven plagues of the seven angels were finished.”
From this we suppose that until divine wrath against the ungodly separates the righteous from the unrighteous, the saints will in no way receive their portion in the heavenly Jerusalem, nor priestly service and rest in the temple of God.
First the plagues must be completed, by which sin is repaid to those who deserve this. Only then will dwelling in the city above be granted to the saints.
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Nor, I think, will one err who refers each of the plagues to those who are on earth at its end. As the Lover of mankind, God permits punitive plagues to be brought even in this present life upon those who deserve them.
He does this to lessen the endless torments of the future, either through the prophets Enoch and Elijah or through the sufferings that come from wars.
But let us entreat the Lord to chasten us as a Father, and not scourge us tormentingly in His wrath. For it is said: “There is no soundness in our flesh because of His wrath” (Ps 37:4).
May we wash with tears of repentance our garments defiled by sins. May we put on the wedding garment and enter the eternal bridal chamber of joy of Christ our God.
To Him are due all glory, honor, and worship, with the Father and the Holy Spirit, now and ever, and unto the ages of ages. Amen.