Romans 8:18-27 is a critical passage in Paul’s argument in three ways. First, this passage serves as the the climax of the discussion in chapter 8. Paul parallels some of the earlier language in the chapter that elaboration of theme of liberation, not from this world, but from sin in anticipation of Christ return. James D. G. Dunn writes, “it picks up the earlier language of liberation from slavery (vv 2, 21), of resurrection (vv 11, 23), of sonship and adoption (vv 14-17, 19, 21, 23), and of the Spirit’s part in all this (vv 6, 27; 11, 23; 15, 23; 15-16, 26).” These verses also are a clear elaboration of theme of suffering in verse 17, emphasizing the role of the Holy Spirit in the midst of our suffering and the centrality of Christ’s role
