Exodus 7:5 in the King James Version
And the Egyptians shall know that I am the LORD, when I stretch forth mine hand upon Egypt, and bring out the children of Israel from among them.
Context
4 But Pharaoh will not listen to you, so I will lay my hand on Egypt, and bring out my armies, my people the children of Israel, out of the land of Egypt by great judgments.
5 The Egyptians shall know that I am the LORD when I stretch out my hand on Egypt, and bring the children of Israel out from among them.”
6 Moses and Aaron did so. As the LORD commanded them, so they did.