TSK
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They said, "The God of the Hebrews has met with us. Please let us go three days' journey into the wilderness, and sacrifice to Yahweh, our God, lest he fall on us with pestilence, or with the sword."
Then the magicians said to Pharaoh, "This is the finger of God:" and Pharaoh's heart was hardened, and he didn't listen to them; as Yahweh had spoken.
Behold; if it goes up by the way of its own border to Beth Shemesh, then he has done us this great evil: but if not, then we shall know that it is not his hand that struck us; it was a chance that happened to us."
Now, behold, the hand of the Lord is on you, and you will be blind, not seeing the sun for a season!" Immediately a mist and darkness fell on him. He went around seeking someone to lead him by the hand.