13 Then the Lord said to Abram, "Know this for certain, that your offspring shall be aliens in a land that is not theirs, and shall be slaves there, and they shall be oppressed for four hundred years;
16 And they shall come back here in the fourth generation; for the iniquity of the Amorites is not yet complete."
18 On that day the Lord made a covenant with Abram, saying, "To your descendants I give this land, from the river of Egypt to the great river, the river Euphrates,