Phase 2 Immature Christian: focus on adding knowledge, self-control, and perseverance to become mature Step 4: adding all diligence to [exercising] self-control [develop] steadfastness (patience, endurance) Step 4: With All Diligence Add Steadfastness (Endurance) To Your Self Control By: Randy Bell Post Views: 298 “and in [exercising] self-control [develop] steadfastness (patience, endurance)…” 2 Peter 1:6 AMP I hope you have read Step 3 already because it ….