Exodus 7:4-6

New Catholic Bible

⁴ Pharaoh will not listen to you, and I will lay my hand upon Egypt and I will make my hosts leave Egypt, the children of Israel, with great acts of judgment.

⁵ “The Egyptians will know that I am the Lord, when I stretch out my hand against Egypt and bring the children of Israel out from their midst.”

⁶ Moses and Aaron did what the Lord had commanded them to do.