Genesis 16:9

But Abram said to Sarai, “Behold, your servant-woman is in your hand; do to her what is good in your sight.” So Sarai afflicted her, and she fled from her presence.

But the angel of Yahweh called to him from heaven and said, “Abraham, Abraham!” And he said, “Here I am.”

“Then the angel of God said to me in the dream, ‘Jacob,’ and I said, ‘Here I am.’

And the angel of Yahweh appeared to him in a blazing fire from the midst of the bush; and he looked, and behold, the bush was burning with fire, yet the bush was not consumed.