15 But when Pharaoh saw that there was a respite, he ^xhardened his heart and would not listen to them, ^yas the Lord had said.

29 Then Moses said, “Behold, I am going out from you and I will plead with the Lord that the swarms of flies may depart from Pharaoh, from his servants, and from his people, tomorrow. Only let not Pharaoh ^lcheat again by not letting the people go to sacrifice to the Lord.”