Nourish your soul with the fear of God, and God will nourish [your] body. Do these things, so that what you yourself are unable [to procure] may be given you by God. Take note of this, if God does not give the rain and the wind, it avails you naught, even if you are anxious. Obey God, therefore, and creation will obey your needs. If God nourished Israel for forty years in the desert, while they were murmuring and disbelieving, and effortlessly preserved their sandals and clothing, how much more so in the case of believers?
Is he not good, who in the wilderness fed with bread from heaven such countless thousands of the people, lest any famine should assail them, without need of toil, in the enjoyment of rest? For the space of twenty years, their raiment grew not old, nor were their shoes worn, a figure, which, to the faithful, points to the resurrection that is to come. This shows that the glory of great deeds and the beauty of the power by which he has clothed us and the stream of human life is not absurd, not for nothing.
God granted to the garments of the Israelites their proper state without any damage for forty years. If so, how much more does he grant a very happy temperament of certain state to the bodies of those who obey his command until they may be turned into something better? This embetterment occurs not by the death of man, by which the body is deserted by the soul, but by a blessed change from mortality to immortality, from an animal to a spiritual quality.
If the garments of the Israelites could last without wearing out for so many years in the desert and the hides of dead animals could continue undestroyed for so long a time in their shoes, surely God can extend the quality of incorruption in certain bodies for as long as he wills. I think therefore that the body of the Lord is the same now in heaven as it was when he ascended into heaven.
[AD 373] Ephrem the Syrian on Deuteronomy 8:4