Exodus 4:18-22

Then Moses departed and returned to his father-in-law Jethro, and said to him, “Please, let me go, that I may return to my brothers who are in Egypt, and see if they are still alive.” And Jethro said to Moses, “Go in peace.”

Now the Lord said to Moses in Midian, “Go back to Egypt, for all the men who were seeking your life are dead.”

So Moses took his wife and his sons and mounted them on a donkey, and returned to the land of Egypt. Moses also took the staff of God in his hand.

And the Lord said to Moses, “When you go back to Egypt, see that you perform before Pharaoh all the wonders which I have put in your power; but I will harden his heart so that he will not let the people go.

Then you shall say to Pharaoh, ‘This is what the Lord says: “Israel is My son, My firstborn.