Romans chapters 6 through 8 are a unit, written by a Christian, for Christians, about Christians. We are in a covenant of grace, not a covenant of works. We are sinners. We have been freely saved and justified, and we are, therefore, being sanctified. It is all true at the same time. We should not set these truths against each other, but affirm them all in their paradoxical wonder. Read the full article by R. Scott Clark at The Heidelblog.