The Apostle Paul
1 Corinthians 15:54ASV·traditional attribution

But when this corruptible shall have put on incorruption, and this mortal shall have put on immortality, then shall come to pass the saying that is written, Death is swallowed up in victory.

John Calvin Reformed

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.

Albert Barnes Presbyterian

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.

Matthew Henry Presbyterian

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