The thing that astounds me about the Shroud is how close Catholic depictions of Our Lord over the centuries look to what is on the Shroud.
"For there shall be a time, when they will not endure sound doctrine; but, according to their own desires, they will heap to themselves teachers, having itching ears:" [2 Tim. 4:3]
"Be not therefore solicitous for tomorrow; for the morrow will be solicitous for itself. Sufficient for the day is the evil thereof." [Matt. 6:34]