Exodus 7:4-6

New International Version - UK

⁴ he will not listen to you. Then I will lay my hand on Egypt and with mighty acts of judgment I will bring out my divisions, my people the Israelites. ⁵ And the Egyptians will know that I am the Lord when I stretch out my hand against Egypt and bring the Israelites out of it.’

⁶ Moses and Aaron did just as the Lord commanded them.