God's promises to Abraham

In my first post I looked at Hebrews 6:13-19, which notices that God gave Abraham both a promise and an oath, so that he would be entirely sure that God would do what he said. But it has only occurred to me recently that one consequence of God giving multiple promises is that he would not necessarily have promised the same stuff each time. This is a new idea for me! I have always thought that each time God made a promise to Abraham he promised the same thing, but is that what the Bible actually shows? Obviously other people think the same, for whenever I have studied the promises God made to Abraham with others, we have never comprehensively looked at every time God made promises. (Sometimes God's covenant has been discussed without even reading when he gave it!) So I will briefly now look at God's promises to Abraham as recorded in Genesis, the plurality referring not to the objects of his promises, but to the times of giving. For simplicity's sake I will refer to Abram as Abraham, and I'll say Yahweh when יהוה is used.

12:1-3: In this the first, and in many ways stereotypical, occasion Yahweh promises many things to Abraham, which include: land, guidance, that his descendants will become a great nation, blessing, fame, reciprocal blessings/cursings, and to bless all other people of the earth through Abraham.

12:7: Yahweh promises to Abraham's descendants the land in which Abraham lives.

13:14-17: Yahweh promises to give the land which Abraham sees and walks through to his descendants forever. He promises to give Abraham as many descendants as there is dust on the earth. This passage shows that Yahweh truly did promise Abraham the physical land of Canaan, the one he had walked through kicking up dust, forever. Those who say it was only a temporary promise which would be replaced with the promise of heaven can't do this promise justice.

15:1-5: Yahweh promises Abraham a true son of his own blood. He promises to give Abraham as many descendants as there are stars. He also promises to reward Abraham greatly.

15:7-21: Yahweh makes (or 'cuts') his covenant with Abraham, promising to give to him and his descendants the land of Canaan, from the river of Egypt to the Euphrates: the lands of the Kenite, Kenizzite, Kadmonite, Hittite, Perizzite, Rephaim, Amorite, Canaanite, Girgashite and Jebusite. However before then his descendants will be enslaved in another land for four hundred years. But Yahweh will judge judge that nation and Abraham's descendants will raid their possessions as they are leave. He also says that he will give Abraham a good and long life.

17:1-21: Wow okay, this one is big. Yahweh again gives his covenant, and says he will give Abraham many descendants, so many in fact that they will form many nations and will even have kings! Yahweh's covenant to all of these people for all time is that Yahweh will be their God and that he will give them the land of Canaan as an 'everlasting possession.'

God then gives Abraham an instruction, as part of this covenant, that he and all his descendants must follow: they must circumcise all the males in the households, even those who are not descendants of Abraham. Anyone who is uncircumcised must be removed from God's people, as they have broken the covenant.

God then renames Sarah and says he will bless her and give her a son. She will be the mother of many nations and kings. God tells them to name their son Isaac and says he will inherit the covenant. Their son Ishmael, though he will not inherit the covenant, will still be greatly blessed and will be the father of a great nation and twelve princes.

18:10-14: Yahweh says he will return the next year and that Sarah will have a son.

21:12-13: God reminds Abraham that through Isaac will God keep his covenant, and that he will still make a nation of Ishmael's descendants.

22:15-18: Yahweh swears by his own name, as Hebrews quotes, that Abraham will have as many descendants as there are stars or grains of sand on the beach! His descendants will conquer their enemies. And because Abraham has obeyed Yahweh, all other nations will be blessed through Abraham's descendants.

And in 24:1 we have the lovely note that in Abraham's old age Yahweh had blessed him in every way.

From looking at these texts the situation is still quite complicated! God makes promises, cuts covenants and swears an oath by his name. He repeatedly promises to give Abraham many descendants and to give them the land he lives in. He makes those promises explicit, specifying the borders of the land and the only son he would continue his covenant with. But other promises are only given once, like that of a famous name and kingly descendants. I haven't looked at the contexts yet. Are there reasons why God repeats certain promises at certain times?

If nothing else we can say that Yahweh was entirely serious from the moment he first spoke to Abraham in Haran till Abraham's last day, one hundred years later. How great would it be to know God's faithfulness for such an immense time!