The Apostle Paul
1 Corinthians 15:50ASV·traditional attribution

Now this I say, brethren, that flesh and blood cannot inherit the kingdom of God; neither doth corruption inherit incorruption.

Geneva Bible Notes Reformed

Now this I say, brethren, that flesh and blood cannot inherit the kingdom of God; neither doth corruption inherit incorruption. (28) The conclusion: we cannot be partakers of the glory of God unless we put off all that gross and filthy nature of our bodies subject to corruption, that the same body may be adorned with incorruptible glory.

John Gill Reformed Baptist

For this corruptible must put on incorruption,.... The apostle returns to what he had before asserted, concerning the necessity of an alteration in the qualities of bodies, in order to the enjoyment of the heavenly state; showing, that the selfsame body the saints now have, for he seems to point with his finger to his own, and which are incorruptible ones, shall and must be...

John Calvin Reformed

50. Now this I say This clause intimates, that what follows is explanatory of the foregoing statement. “What I have said as to bearing the image of the heavenly Adam means this — that we must be renewed in respect of our bodies, inasmuch as our bodies, being liable to corruption, cannot inherit God’s incorruptible kingdom.