Joshua 5:15
The commander of the LORD's Army replied to Joshua, "Remove your sandals from your feet, because the place where you're standing is holy." So Joshua did so.
Exodus 3:5
"Do not come any closer," God said. "Remove your sandals from your feet, because the place where you are standing is holy ground."
Acts 7:32-33
"I am the God of your ancestors the God of Abraham, Isaac, and Jacob.' Moses became terrified and didn't dare to look.
2 Peter 1:18
We ourselves heard this voice that came from heaven when we were with him on the holy mountain.