Who is a true child of God? Who is a true child of the promise? Paul gives a surprising allegory that helps us understand just how easily we fall into the trap of selling ourselves back into spiritual slavery.
When we are hurt, we cry out to God. But sometimes when the hurt gets really intense, our lament turns to complaint. Not only is this normal, but almost every lament in scripture contains a complaint.
Sorry, racism, ethnic clashes, cultural differences, are nothing new to the world or the church. Listen to these fools talk about Galatians, racism, and Christianity. Also, a little Smalcald Articles on the Gospel!
Paul shows that the Law was never intended to save, but that salvation comes only through promise. The Law merely served as an instructor until the coming of the promised Christ.