It contains, (1.) An account of the increase and growth of the Israelites in Egypt (ch. 1) (2.) Preparations for their departure out of Egypt (2-12:36). (3.) Their journeyings from Egypt to Sinai (12:37-19:2). (4.) The giving of the law and the establishment of the institutions by which the organization of the people was completed, the theocracy, "a kingdom of priest and an holy nation" (19:3-ch. 40).
And the LORD said unto Moses, Yet will I bring one plague more upon Pharaoh, and upon Egypt; afterwards he will let you go hence: when he shall let you go, he shall surely thrust you out hence altogether.
And all the firstborn in the land of Egypt shall die, from the firstborn of Pharaoh that sitteth upon his throne, even unto the firstborn of the maidservant that is behind the mill; and all the firstborn of beasts.
And all these thy servants shall come down unto me, and bow down themselves unto me, saying, Get thee out, and all the people that follow thee: and after that I will go out. And he went out from Pharaoh in a great anger.