When the perishable has been clothed with the imperishable and the mortal with immortality, then the saying that is written will come to pass: “Death has been swallowed up in victory.”
54. Then shall be brought to pass the saying This is not merely an amplification, (ἐπεξεργασία,) “Vne declaration ou amplification;” — “A declaration or amplification.” but a confirmation, too, of the preceding statement. For what was foretold by the Prophets must be fulfilled. Now this prediction will not be fulfilled, until our bodies, laying aside corruption, will put on incorruption Hence this last result, also, is necessary.
Verse 54. So when, etc. In that future glorious world, when all this shall have been accomplished. Then shall be brought to pass. Then shall be fully accomplished; these words shall then receive their entire fulfilment; or this event shall meet all that is implied in these words. The saying that is written. What is written, or the record which is made.
To confirm what he had said of this change, I. He here tells them what had been concealed from or unknown to them till then - that all the saints would not die, but all would be changed. Those that are alive at our Lord's coming will be caught up into the clouds, without dying, Th1 4:11.
Commenting on 1 Corinthians 15:51-57