Exo 3:19, 10:1 | ESV | STEP | But I know that the king of Egypt will not let you go unless compelled by a mighty hand .

Exodus 3:19

19 But I know that the king of Egypt ^awill not let you go unless compelled ^bby a mighty hand. ^{▼▼Septuagint, Vulgate; Hebrew go, not by a mighty hand}

Exodus 10:1

The Eighth Plague: Locusts

1 Then the Lord said to Moses, “Go in to Pharaoh, for I have hardened his heart and the heart of his servants, that I may show these signs of mine among them,