They shall bear you up in their hands, lest you dash your foot against a stone.
Read Chapter 91
Augustine of Hippo
AD 430
16. Let us return to the words of the Psalm. "They shall bear Thee in their hands, lest at any time Thou hurt Thy foot against a stone" (ver. 12). Christ was raised up in the hands of Angels, when He was taken up into heaven: not that, if Angels had not sustained Him, He would have fallen: but because they were attending on their King. Say not, Those who sustained Him are better than He who was sustained. Are then cattle better than men, because they sustain the weakness of men? And we ought not to speak thus either; for if the cattle withdraw their support, their riders fall. But how ought we to speak of it? For it is said even of God, "Heaven is My throne." Because then heaven supports Him, and God sits thereon, is therefore heaven the better? Thus also in this Psalm we may understand it of the service of the Angels: it does not pertain to any infirmity in our Lord, but to the honour they pay, and to their service. ...What the finger of God is, the Gospel explaineth to us; for the fi...
Stone. He alludes to nurses. (Calmet)
All these expressions are metaphorical, to show the assistance given by angels, to remove the obstacles which impede our progress towards heaven.
