Exodus 3:14

14God said to Moses, “I am who I am.”
Or  I am what I am, or  I will be what I will be
And he said, “Say this to the people of Israel: bI am has sent me to you.’”

Exodus 6:3

3I appeared to Abraham, to Isaac, and to Jacob, as cGod Almighty,
Hebrew El Shaddai
but by my name the eLord I did not make myself known to them.

Exodus 6:8

8I will bring you into fthe land that I gswore to give to Abraham, to Isaac, and to Jacob. I will give it to you for a possession. hI am the Lord.’”
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