Exodus 8:19-21

Lexham English Bible

¹⁹ And the magicians said to Pharaoh, “It is the finger of God.” But the heart of Pharaoh was hard, and he did not listen to them, as Yahweh had spoken.

Plague Four: Flies

²⁰ And Yahweh said to Moses, “Start early in the morning and stand before Pharaoh. Look, he is going out to the water, and you must say to him, ‘Thus says Yahweh, “Release my people so that they may serve me.” ²¹ But if you are not about to release my people, look, I am about to send out flies among you and among your servants and among your people and in your houses; and the houses of Egypt will fill up with the flies and also the ground that they are on.