Joshua 5:14-15

And he said, Nay; but {as} captain of the host of the LORD am I now come. And Joshua fell on his face to the earth, and did worship, and said unto him, What saith my lord unto his servant? {captain: or, prince} And the captain of the LORD'S host said unto Joshua, Loose thy shoe from off thy foot; for the place whereon thou standest {is} holy. And Joshua did so.