While it's good for us to root ourselves in the Old Testament to understand why Christ is needed, the only thing that matters now is faith expressing itself through love.

This section compares our freedom in Christ to Rebekah and Isaac, wife and son of Abraham who were his true heirs.  We are free because of our faithfulness to God and Christ’s sacrifice on the cross.

Paul is perplexed by the willingness of the Galatians to listen to the Judaizers here. Just as Paul warns the Galatians where they are getting their theology from, we, too, must be discerning with where we get our theology from as well.

As we move through the process of sanctification, we must continually rid ourselves of our old self and put on our new self in Christ.

We are the heirs of God and as such we have a responsibility to ensure that the father’s kingdom continues to move forward.