The blood will be a sign for you on the houses where you are, and when I see the blood, I will pass over you. No destructive plague will touch you when I strike Egypt.
“ ‘But on that day I will deal differently with the land of Goshen, where my people live; no swarms of flies will be there, so that you will know that I, the Lord, am in this land.
“I also withheld rain from you when the harvest was still three months away. I sent rain on one town, but withheld it from another. One field had rain; another had none and dried up.