And he said,
Draw not near here: put off your shoes from your feet, for the place on which you stand is holy ground.
All Commentaries on Exodus 3:5 Go To Exodus 3
Ambrose of Milan
AD 397
Such was Moses, to whom it was said, “Remove the sandals from your feet,” so that when he was about to call the people to the kingdom of God he might first put aside the garments of the flesh and might walk with his spirit and the footstep of his mind naked. Isaac, or The Soul