Exodus 7:12-14

New Revised Standard Version Updated Edition

¹² Each one threw down his staff, and they became snakes, but Aaron’s staff swallowed up theirs. ¹³ However, Pharaoh’s heart was hardened, and he would not listen to them, as the Lord had said.^(A)

The First Plague: Water Turned to Blood

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