In Luke 15:1–10, Jesus responds to the Pharisees' grumbling by telling two parables that reveal God's joy in saving the lost and His call to share in that joy. I. Jesus welcomes listening sinners as Pharisees grumble in offense. (vv. 1–2) II. Jesus reveals God's relentless pursuit of His lost ones. (vv. 3–4, 8) III. Jesus reveals God's joyful celebration in saving repentant sinners. (vv. 5–7, 9–10)