Exodus 3:4-6

4And Jehovah saw that he turned aside to see, and 1God called to him out of the midst of the thorn-bush and said, Moses, Moses! And he said, Here am I.

5And he said, Draw not nigh hither: loose thy sandals from off thy feet, for the place whereon thou standest is holy ground.

6And he said, I am the 2God of thy father, the 3God of Abraham, the 4God of Isaac, and the 5God of Jacob. And Moses hid his face; for he was afraid to look at 6God.