Albert Barnes Commentary Exodus 3:6

"Moreover he said, I am the God of thy father, the God of Abraham, the God of Isaac, and the God of Jacob. And Moses hid his face; for he was afraid to look upon God." — Exodus 3:6 (ASV)

Our Saviour cites this passage as proof that the doctrine of the Resurrection was taught in the Old Testament (Matthew 22:32), and He calls this book "the Book of Moses" (Mark 12:26), two points to be kept in mind by readers of the Pentateuch.