Ex. 4:18 Moses went back to Jethro his father-in-law and said to him, “Please let me go back to my brothers in Egypt to see whether they are still alive.” And Jethro said to Moses, “Go in peace.”Ex. 4:19 And the LORD said to Moses in Midian, “Go back to Egypt, for all the men who were seeking your life are dead.”Ex. 4:20 So Moses took his wife and his sons and had them ride on a donkey, and went back to the land of Egypt. And Moses took the staff of God in his hand.Ex. 4:21 ¶ And the LORD said to Moses, “When you go back to Egypt, see that you do before Pharaoh all the miracles that I have put in your power. But I will harden his heart, so that he will not let the people go.Ex. 4:22 Then you shall say to Pharaoh, ‘Thus says the LORD, Israel is my firstborn son,Ex. 4:23 and I say to you, “Let my son go that he may serve me.” If you refuse to let him go, behold, I will kill your firstborn son.’”