So I said to you, ‘Let My son go that he may serve Me’; but you have refused to let him go. Behold, I will kill your son, your firstborn.”’”

But Pharaoh said, “Who is the Lord that I should obey His voice to let Israel go? I do not know the Lord, and besides, I will not let Israel go.”

“Go, tell Pharaoh king of Egypt to let the sons of Israel go out of his land.”

Then the Lord said to Moses, “Pharaoh’s heart is stubborn; he refuses to let the people go.

But if you refuse to let them go, behold, I will smite your whole territory with frogs.

For if you refuse to let them go and continue to hold them,

For if you refuse to let My people go, behold, tomorrow I will bring locusts into your territory.

But the Lord hardened Pharaoh’s heart, and he was not willing to let them go.