Joshua 5:15

Then Jacob awoke from his sleep and said, “Surely Yahweh is in this place, and I did not know it.”

Then He said, “Do not come near here. Remove your sandals from your feet, for the place on which you are standing is holy ground.”

Then Yahweh opened the eyes of Balaam, and he saw the angel of Yahweh standing in the way with his drawn sword in his hand; and he bowed his head down and prostrated himself to the ground.

For day by day men came to David to help him, until there was a great camp like the camp of God.

“But the Lord said to him, ‘Remove the sandals from your feet, for the place on which you are standing is holy ground.

and we ourselves heard this utterance made from heaven when we were with Him on the holy mountain.