The blood shall be to you for a sign on the houses where you are. And when I see the blood, I will pass over you, and the plague shall not be upon you to destroy you when I smite the land of Egypt.
Then the magicians said to Pharaoh, “This is the finger of God.” Nevertheless, Pharaoh’s heart was hardened, and he did not listen to them, just as the Lord had said.
“ ‘I will in that day set apart the land of Goshen, in which My people dwell, so that no swarms of flies shall be there, in order that you may know that I am the Lord in the midst of the earth.
I also withheld the rain from you, when there were still three months to the harvest. I would send rain on one town, and send no rain on another town. One field would receive rain, but another field without rain would wither.