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4 And the king of Egypt said to them, Why do you, Moses and Aaron, take the people away from their work? get back to your work.
18 And they will give ear to your voice: and you, with the chiefs of Israel, will go to Pharaoh, the king of Egypt, and say to him, The Lord, the God of the Hebrews, has come to us: let us then go three days' journey into the waste land to make an offering to The Lord our God.
32 But again Pharaoh made his heart hard and did not let the people go.