Then the LORD spoke to Moses: Early tomorrow morning present yourself to Pharaoh when he sets out toward the water, and say to him: Thus says the LORD: Let my people go to serve me. For if you do not let my people go, I will send swarms of flies upon you and your servants and your people and your houses. The houses of the Egyptians and the very ground on which they stand will be filled with swarms of flies. But on that day I will make an exception of the land of Goshen, where my people are,...