Want to see mountains move and prayers answered? It might just take a childlike heart. In this challenging and hope-filled Sunday School lesson, Evangelist Matt Barber unpacks the disciples’ heartfelt request, “Lord, increase our faith,” from Luke 17. What follows is a surprising rebuke—and a clarifying truth about what faith actually is. With clarity and warmth, Bro. Barber reveals how simple, humble, and childlike faith unlocks God’s supernatural power—not for self-glory, but for God's purposes through surrendered servants.