Luke 15:5-7

15:5 Then when he has found it, he places it on his shoulders, rejoicing. 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.

Luke 15:23-24

15:23 Bring the fattened calf and kill it! Let us eat and celebrate, 15:24 because this son of mine was dead, and is alive again – he was lost and is found!’ So they began to celebrate.