He shall cover you with his feathers, and under his wings shall you trust: his truth shall be your shield and buckler.
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Augustine of Hippo
AD 430
5. "He shall defend thee between His shoulders, and thou shall hope under His wings" (ver. 4). He says this, that thy protection may not be to thee from thyself, that thou mayest not imagine that thou canst defend thyself; He will defend thee, to deliver thee from the hunter's snare, and from an harsh word. The expression, "between His shoulders," may be understood both in front and behind: for the shoulders are about the head; but in the words, "thou shalt hope under His wings," it is clear that the protection of the wings of God expanded places thee between His shoulders, so that God's wings on this side and that have thee in the midst, where thou shalt not fear lest any one hurt thee: only be thou careful never to leave that spot, where no foe dares approach. If the hen defends her chickens beneath her wings; how much more shalt thou be safe beneath the wings of God, even against the devil and his angels, the powers who fly about in mid air like hawks, to carry off the weak young on...
With. Septuagint, "upon. "St. Augustine, "between "as the Lord carried Israel, Deuteronomy xxxii. 11. (Calmet)
Hebrew, "he will cover thee with his feathers "(Haydock) like an eagle. (Menochius)