Acts 7:33
Then the Lord said to him, ‘Remove the sandals from your feet, for the place where you are standing is holy ground [worthy of reverence and respect].
Exodus 3:5
Then God said, “Do not come near; take your sandals off your feet [out of respect], because the place on which you are standing is holy ground.”
Joshua 5:15
The captain of the Lord’s army said to Joshua, “Remove your sandals from your feet, because the place where you are standing is holy (set apart to the Lord).” And Joshua did so.
Ecclesiastes 5:1
Guard your steps and focus on what you are doing as you go to the house of God and draw near to listen rather than to offer the [careless or irreverent] sacrifice of fools; for they are too ignorant to know they are doing evil.
2 Peter 1:18
and we [actually] heard this voice made from heaven when we were together with Him on the holy mountain.