Advent 3 | Freedom Through Slavery 2025

“On that day the LORD made a covenant with Abram, saying, “To your offspring I give this land” – Genesis 15:18

The Promised Son

If you haven’t done it yet, you should really read this whole chapter. But if not let’s walk through it and show how God is continuing the promise to Abraham. When the chapter starts out Abraham is bummed because he still doesn’t have a child of his own. He tells God that he still doesn’t have an heir to inherit the promises that God is giving him. This is where God takes him out and shows him all the stars in the sky and promises him that he is going to give him that many descendants and that they would come from his own son.

The One-Sided Promise

It’s at this point that God makes the covenant official. To our modern eyes this might look really weird. I mean why would God have Abraham cut these animals in half? For us to understand what is happening we need to have a little knowledge of ancient covenants. It was common in their culture to perform ceremonies like this where two people would come together and make a promise to each other. Then they would cut open an animal and walk together in between them. In doing this they were saying that they were so serious about keeping their end of the bargain that if they didn’t keep their word then they should get cut in half just like these animals. Crazy, right?! You had to be really sure you could keep your promise before you would commit to something like this.

What gets really interesting is that Abraham didn’t walk through the animals, only God did. You see God put Abraham into a deep sleep and went through the covenant promise by himself. This means that God is taking full responsibility to keep the covenant on himself. This is awesome, because if it was going to be up to Abraham to fulfill it, then he would fail. He couldn’t even have a kid on his own. But thankfully God will always keep his word.

The Curveball

Now we get to the hardest part of the covenant to understand. Let’s look a little closer at the words that God says to Abraham when he makes this promise. God says, “Know for certain that your offspring will be sojourners in a land that is not theirs and will be servants there, and they will be afflicted for four hundred years. But I will bring judgment on the nation that they serve, and afterward they shall come out with great possessions.” What?! Did God just promise Abraham that his descendants will be slaves? Yep, you read it correctly. That is fascinating. What in the world are we to make of this? We need to realize that God is sovereign over all of the things that happen in the world and even when it looks like he might be out of control or that his people aren’t experiencing the good things we think they should be experiencing, God is still keeping his word. And with the people of Israel, part of the promise was to make them great. You and I might have just showered dollar bills on them but God did it by taking them into slavery and then sending them out with “great possessions”. (See also Acts 13:17)

Reflection

As we prepare to celebrate Christmas, let’s pause and think through what we know so far. We know that God has promised that he is going to send a Messiah. We know that a man, born of woman, is going to be born to crush the head of the serpent. And we know that he is going to come through Abraham’s line and be a blessing to the world...

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