The Commander of the LORD’s army replied, “Take off your sandals, for the place where you are standing is holy.” And Joshua did so.
15. Loose thy shoe from off thy foot, etc To give additional sanctity to the vision, the great Angel requires as a sign of reverence and fear that Joshua put off his shoes. Moses relates, (Exodus 3:5) that the same command was given to him on Mount Sinai, and for no other reason than that the Lord there manifested his glory.
We have hitherto found God often speaking to Joshua, but we read not till now of any appearance of God's glory to him; now that his difficulties increased his encouragements were increased in proportion. Observe, I. The time when he was favoured with this vision. It was immediately after he had performed the great solemnities of circumcision and the passover; then God made himself known to him.
Commenting on Joshua 5:13-15
And the Captain of the Lord's host said unto Joshua,.... As a trial and proof of his obedience to him: loose thy shoe from off thy foot; which is to be understood literally, as when the like was commanded Moses at Horeb, Exo 3:5; though some interpret it figuratively; as Abarbinel,"remove from thee such thoughts that thou shall take this city by strength:" for the...