Parallel
Exodus 10:27
Swete's Septuagint · Berean Standard Bible
ἐσκλήρυνεν δὲ κύριος τὴν καρδίαν Φαραώ, καὶ οὐκ ἐβουλήθη ἐξαποστεῖλαι αὐτούς.
But the LORD hardened Pharaoh’s heart, and he was unwilling to let them go.