Exodus 3
13 Ref And Moses said to God, When I come to the children of Israel and say to them, The God of your fathers has sent me to you: and they say to me, What is his name? what am I to say to them?
14 Ref And God said to him, I AM WHAT I AM: and he said, Say to the children of Israel, I AM has sent me to you.
15 Ref And God went on to say to Moses, Say to the children of Israel, The Lord, the God of your fathers, the God of Abraham, of Isaac, and of Jacob, has sent me to you: this is my name for ever, and this is my sign to all generations.
16 Ref Go and get together the chiefs of the children of Israel, and say to them, The Lord, the God of your fathers, the God of Abraham, of Isaac, and of Jacob, has been seen by me, and has said, Truly I have taken up your cause, because of what is done to you in Egypt;