Genesis 15:14

10 So Abram brought all these to Him, split each of them down the middle, and laid the halves opposite each other. The birds, however, he did not cut in half.

11 And the birds of prey descended on the carcasses, but Abram drove them away.

12 As the sun was setting, Abram fell into a deep sleep, and suddenly great terror and darkness overwhelmed him.

13 Then the LORD said to Abram, “Know for certain that your descendants will be strangers in a land that is not their own, and they will be enslaved and mistreated four hundred years.

14 But I will judge the nation they serve as slaves, and afterward they will depart with many possessions.

15 You, however, will go to your fathers in peace and be buried at a ripe old age.

16 In the fourth generation your descendants will return here, for the iniquity of the Amorites is not yet complete.”

17 When the sun had set and darkness had fallen, behold, a smoking firepot and a flaming torch appeared and passed between the halves of the carcasses.

18 On that day the LORD made a covenant with Abram, saying, “To your descendants I have given this land—from the river of Egypt to the great River Euphrates—

Read all of Genesis 15