Luke 15:6-8
15:6 Returning home, he calls together his friends and neighbors, telling them, ‘Rejoice with me, because I have found my sheep that was lost.’
15:7 I tell you, in the same way there will be more joy in heaven over one sinner who repents than over ninety-nine righteous people who have no need to repent.
15:8 “Or what woman, if she has ten silver coins and loses one of them, does not light a lamp, sweep the house, and search thoroughly until she finds it?