Three Certainties and One Command: How John Ends a Letter About Assurance Main Idea of 1 John (The Central Thesis) 1 John is a pastoral letter written to give believers absolute assurance of their salvation and fellowship with God. It serves as a definitive guide to distinguish truth from error through the application of the … Continue reading REFLECTIONS FOR A NEW HEART: Kept, Known, and Guarded (1 John 5:18–21)