But against any of the children of Israel shall not a dog move his tongue, against man or beast: that you may know that the LORD does put a difference between the Egyptians and Israel.
And the blood shall be to you for a token upon 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 unto Pharaoh, This is the finger of God: and Pharaoh's heart was hardened, and he hearkened not unto them; as the LORD had said.
And the LORD shall make distinction between the cattle of Israel and the cattle of Egypt: and there shall nothing die of all belonging to the children of Israel.
And also I have withheld the rain from you, when there were yet three months to the harvest: and I caused it to rain upon one city, and caused it not to rain upon another city: one part was rained upon, and the part upon which it rained not withered.