discipleship fall. In the NT, gospel is not everything—it is not law, for instance—but it is a very big thing, precisely because it is the unimaginably great news about what God is doing in and through King Jesus, especially in and through his cross and resurrection. A careful reading of Scripture shows how often Christian conduct is grounded in the gospel itself. For instance, the gospel is to be obeyed (e.g., 2 Thess 1:8); certain behavior conforms to the gospel, while other behavior does not (1