Exodus 6:1-3

New Century Version

6 Then the Lord said to Moses, “Now you will see what I will do to the king of Egypt. I will use my great power against him, and he will let my people go. Because of my power, he will force them out of his country.”

² Then God said to Moses, “I am the Lord. ³ I appeared to Abraham, Isaac, and Jacob by the name God Almighty, but they did not know me by my name, the Lord.