'Know that I Am the Lord' in the Bible

And I will take you to me for a people, and I will be to you a God: and ye shall know that I am the LORD your God, who bringeth you out from under the burdens of the Egyptians.

And the Egyptians shall know that I am the LORD, when I stretch forth my hand upon Egypt, and bring out the children of Israel from among them.

Thus saith the LORD, In this thou shalt know that I am the LORD: behold, I will smite with the rod that is in my hand upon the waters which are in the river, and they shall be turned to blood.

And I will sever in that day the land of Goshen, in which my people dwell, that no swarms of flies shall be there; to the end thou mayest know that I am the LORD in the midst of the earth.

And I will harden Pharaoh's heart, that he shall follow them; and I will be honored upon Pharaoh, and upon all his host; that the Egyptians may know that I am the LORD. And they did so.

And the Egyptians shall know that I am the LORD, when I have gotten me honor upon Pharaoh, upon his chariots, and upon his horsemen.

I have heard the murmurings of the children of Israel; Speak to them, saying, At evening ye shall eat flesh, and in the morning ye shall be filled with bread: and ye shall know that I am the LORD your God.

And they shall know that I am the LORD their God, that brought them forth out of the land of Egypt, that I may dwell among them: I am the LORD their God.

Speak thou also to the children of Israel, saying, Verily my sabbaths ye shall keep: for it is a sign between me and you throughout your generations; that ye may know that I am the LORD that doth sanctify you.