Exodus 8:19-21

New American Standard Bible

¹⁹ Then the soothsayer priests said to Pharaoh, “^(A)This is the finger of God.” But Pharaoh’s heart was ^[a]hardened, and he did not listen to them, just as the Lord had said.

²⁰ Then the Lord said to Moses, “^(B)Rise early in the morning and present yourself before Pharaoh, ^[b]as ^(C)he comes out to the water; and say to him, ‘This is what the Lord says: “^(D)Let My people go, so that they may serve Me. ²¹ For if you are not going to let My people go, behold, I will send swarms of flies on you and on your servants and on your people, and into your houses; and the houses of the Egyptians will be full of swarms of flies, and also the ground on which they live.