Thus Thomas is invited to see if those marks are real, that is, if this is really Jesus who really died as a sacrifice and is really back from the dead and — and — pay attention sinners! — to se if God has changed. For the perfected bodies of the saints bear no scars, but the risen Lord bears these. Thomas is not directed to look to the Lord’s back marked by the Roman scourge or to His brow to se if there are marks from the thorns. He is pointed to the hands and side, to see what the cross has done to God in the flesh.
Has the cross changed God? Indeed, It has. It left marks.
Thy Kingdom Come: Lent and Easter Sermons
David H. Peterson