Exodus 6:7 'Then I will take you for My people, and I will be your God; and you shall know that I am the LORD your God, who brought you out from under the burdens of the Egyptians.

Leviticus 11:44 'For I am the LORD your God. Consecrate yourselves therefore, and be holy, for I am holy. And you shall not make yourselves unclean with any of the swarming things that swarm on the earth.

Ezekiel 20:5 and say to them, 'Thus says the Lord GOD, "On the day when I chose Israel and swore to the descendants of the house of Jacob and made Myself known to them in the land of Egypt, when I swore to them, saying, I am the LORD your God, (NASB ©1995)