Acts 7:30-33 And forty years having been passed, an angel appeared to him in the wilderness of Mount Sinai, in a flame of fire of a bush.

BLB⁽ⁱ⁾ ³⁰ And forty years having been passed, an angel appeared to him in the wilderness of Mount Sinai, in a flame of fire of a bush. ³¹ And Moses having seen it, marveled at the vision. And of him coming near to behold it, there was the voice of the Lord: ³² ‘I am the God of your Fathers, the God of Abraham, and of Isaac, and of Jacob.’ And Moses, having become terrified, did not dare to look. ³³ And the Lord said to him, ‘Take off the sandal of your feet, for the place on which you stand is holy ground.