Paul's extensive personal greetings reveal the network of relationships supporting his ministry while demonstrating the multi-ethnic and socially diverse nature of the early Roman church. His warning against those who cause divisions contrary to apostolic teaching shows ongoing vigilance against false doctrine while the promise that God will crush Satan emphasizes ultimate victory. The doxology praising God's ability to strengthen believers according to Paul's gospel and the revelation of the mystery hidden for ages but now disclosed concludes the letter by emphasizing both divine power and the universal scope of salvation