Then the Lord said to Moses, "Now you shall see what I will do to Pharaoh: Indeed, by a mighty hand he will let them go; by a mighty hand he will drive them out of his land."
God also spoke to Moses and said to him: "I am the Lord.
I appeared to Abraham, Isaac, and Jacob as God Almighty, a but by my name "The Lord' b I did not make myself known to them.
I also established my covenant with them, to give them the land of Canaan, the land in which they resided as aliens.
I have also heard the groaning of the Israelites whom the Egyptians are holding as slaves, and I have remembered my covenant.
Say therefore to the Israelites, "I am the Lord, and I will free you from the burdens of the Egyptians and deliver you from slavery to them. I will redeem you with an outstretched arm and with mighty acts of judgment.
I will take you as my people, and I will be your God. You shall know that I am the Lord your God, who has freed you from the burdens of the Egyptians.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved. (New Revised Standard Bible Version Online)