⁹ And it shall be as a sign in thy hand, and as a memorial before thy eyes: and that the law of the Lord be always in thy mouth, for with a strong hand the Lord hath brought thee out of the land of Egypt.

⁴¹ Which being expired, the same day all the army of the Lord went forth out of the land of Egypt.

²¹ Yahweh said to Moses, "When you go back into Egypt, see that you do before Pharaoh all the wonders which I have put in your hand, but I will harden his heart and he will not let the people go.

²² You shall tell Pharaoh, 'Thus says Yahweh, Israel is my son, my firstborn,

²³ and I have said to you, "Let my son go, that he may serve me;" and you have refused to let him go. Behold, I will kill your son, your firstborn.'"