'Know that I Am the Lord' in the Bible

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.

The Egyptians shall know that I am the Lord, when I stretch out My hand on Egypt and bring out the sons of Israel from their midst.”

Thus says the Lord, “By this you shall know that I am the Lord: behold, I will strike the water that is in the Nile with the staff that is in my hand, and it will be turned to blood.

and that you may tell in the hearing of your son, and of your grandson, how I made a mockery of the Egyptians and how I performed My signs among them, that you may know that I am the Lord.”

Thus I will harden Pharaoh’s heart, and he will chase after them; and I will be honored through Pharaoh and all his army, and the Egyptians will know that I am the Lord.” And they did so.

Then the Egyptians will know that I am the Lord, when I am honored through Pharaoh, through his chariots and his horsemen.”

“I have heard the grumblings of the sons of Israel; speak to them, saying, ‘At twilight you shall eat meat, and in the morning you shall be filled with bread; and you shall know that I am the Lord your God.’”

They shall know that I am the Lord their God who brought them out of the land of Egypt, that I might dwell among them; I am the Lord their God.

“But as for you, speak to the sons of Israel, saying, ‘You shall surely observe My sabbaths; for this is a sign between Me and you throughout your generations, that you may know that I am the Lord who sanctifies you.