Acts 7:31-33
7:31 When Moses saw it, he was amazed at the sight, and when he approached to investigate, there came the voice of the Lord,
7:32 ‘I am the God of your forefathers, the God of Abraham, Isaac, and Jacob.’ Moses began to tremble and did not dare to look more closely.
7:33 But the Lord said to him, ‘Take the sandals off your feet, for the place where you are standing is holy ground.