Paul concludes his important teaching on God’s reconciliation of sinners to Himself by noting that believers must persevere to the end, remaining established, firm, and unmovable. But this raises the question as to whether Paul is teaching that after we are saved by grace, are we to work to keep our salvation? We will explore Paul’s teaching that Christians are to both persevere in the faith and be sovereignly preserved by God’s gracious work in Christ applied by the Holy Spirit.