The Plague of Blood

¹⁴ Then the Lord said to Moses, “Pharaoh’s heart is unyielding;^(A) he refuses to let the people go.

¹⁵ But when Pharaoh saw that there was relief,^(A) he hardened his heart^(B) and would not listen to Moses and Aaron, just as the Lord had said.

³⁴ When Pharaoh saw that the rain and hail and thunder had stopped, he sinned again: He and his officials hardened their hearts.