And I say to you, "Let my son go so he may serve me. If you refuse to let him go, then I will kill your firstborn son.'"'"

And if you refuse to let them go, then I'm going to strike all your territory with frogs.

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

Moses and Aaron went to Pharaoh and told him, "This is what the LORD God of the Hebrews says: "How long will you refuse to humble yourself before me? Let my people go, so they may serveme.

But if you refuse to let my people go, tomorrow I'm going to bring locusts into your territory.

Then the LORD asked Moses, "How long will you people refuse to keep my commandments and my instructions?

You are to burn the flesh of the bull, its hide, and its refuse with fire outside the camp. It is a sin offering.