1The LORD said to Moses, "Now you shall see what I will do to Pharaoh, for by a strong hand he shall let them go, and by a strong hand he shall drive them out of his land."

2Then God spoke to Moses, and said to him, "I am the LORD. 3And I appeared to Abraham, to Isaac, and to Jacob as El Shaddai, but I did not make myself known to them by my name 'the LORD.' 4And I have also established my covenant with them, to give them the land of Canaan, the land of their sojournings, in which they were foreigners. 5Moreover I have heard the groaning of the children of Israel, whom the Egyptians keep in bondage, and I have remembered my covenant. 6Therefore tell the children of Israel, 'I am the LORD, and I will bring you out from under the burdens of the Egyptians, and I will rid you out of their bondage, and I will redeem you with an outstretched arm, and with great judgments: 7and I will take you to me for a people, and I will be to you a God; and you shall know that I am the LORD your God, who brings you out from under the burdens of the Egyptians. 8I will bring you into the land which I swore to give to Abraham, to Isaac, and to Jacob; and I will give it to you as a possession. I am the LORD.'" 9Moses spoke so to the children of Israel, but they did not listen to Moses for anguish of spirit, and for cruel bondage.

10The LORD spoke to Moses, saying, 11"Go in, speak to Pharaoh king of Egypt, that he let the children of Israel go out of his land." 12Moses spoke before the LORD, saying, "Look, the children of Israel haven't listened to me. How then shall Pharaoh listen to me, who am of uncircumcised lips?" 13The LORD spoke to Moses and to Aaron, and gave them a command to the children of Israel, and to Pharaoh king of Egypt, to bring the children of Israel out of the land of Egypt.

14These are the heads of their fathers' houses. The sons of Reuben the firstborn of Israel: Hanoch, and Pallu, Hezron, and Carmi; these are the families of Reuben. 15The sons of Simeon: Jemuel, and Jamin, and Ohad, and Jakin, and Zohar, and Shaul the son of a Canaanite woman; these are the families of Simeon. 16These are the names of the sons of Levi according to their generations: Gershon, and Kohath, and Merari; and the years of the life of Levi were one hundred thirty-seven years. 17The sons of Gershon: Libni and Shimei, according to their families. 18The sons of Kohath: Amram, and Izhar, and Hebron, and Uzziel; and the years of the life of Kohath were one hundred thirty-three years. 19The sons of Merari: Mahli and Mushi. These are the families of the Levites according to their generations. 20Amram took Jochebed his father's sister to himself as wife; and she bore him Aaron and Moses: and the years of the life of Amram were a hundred and thirty-seven years. 21The sons of Izhar: Korah, and Nepheg, and Zikri. 22The sons of Uzziel: Mishael, and Elzaphan, and Sithri. 23Aaron took Elisheba, the daughter of Amminadab, the sister of Nahshon, as his wife; and she bore him Nadab and Abihu, Eleazar and Ithamar. 24The sons of Korah: Assir, and Elkanah, and Abiasaph; these are the families of the Korahites. 25Eleazar Aaron's son took one of the daughters of Putiel as his wife; and she bore him Phinehas. These are the heads of ancestral houses of the Levites according to their families. 26These are the Aaron and Moses to whom God said, "Bring out the children of Israel from the land of Egypt according to their regiments." 27These are those who spoke to Pharaoh king of Egypt, to bring out the children of Israel from Egypt. These are that Moses and Aaron.

28It happened on the day when the LORD spoke to Moses in the land of Egypt, 29that the LORD spoke to Moses, saying, "I am the LORD. Speak to Pharaoh king of Egypt all that I speak to you." 30Moses said before the LORD, "Look, I am of uncircumcised lips, and how shall Pharaoh listen to me?"