Matthew 18:13

¹³And if he finds it, truly, I say to you, he rejoices over it more than over the ninety-nine that never went astray.

Matthew 18 is Jesus' fourth major discourse in this Gospel, often called the "Discourse on the Church" or "Community Discourse." It moves from a childlike posture of humility to the sobering realities of sin, confrontation, forgiveness, and restoration within the community of bel