If you do not release ¹  my people, then I am going to send ²  swarms of flies ³  on you and on your servants and on your people and in your houses. The houses of the Egyptians will be full of flies, and even the ground they stand on. ⁴ 

then you will say, ‘It is the sacrifice ¹  of the Lord’s Passover, when he passed over the houses of the Israelites in Egypt, when he struck ²  Egypt and delivered our households.’” The people bowed down low ³  to the ground,