1-3. So how do we fit what we know of Abraham, our first father in the faith, into this new way of looking at things? If Abraham, by what he did for God, got God to approve him, he could certainly have taken credit for it. But the story we’re given is a God-story, not an Abraham-story. What we read in Scripture is, “Abraham entered into what God was doing for him, and that was the turning point. He trusted God to set him right instead of trying to be right on his own.”
10-11. Now think: Was that declaration made before or after he was marked by the covenant rite of circumcision? That’s right, before he was marked. That means that he underwent circumcision as evidence and confirmation of what God had done long before to bring him into this acceptable standing with himself, an act of God he had embraced with his whole life.