Thematic Bible: The lost sheep

So He told them this parable, saying, "What man among you, if he has a hundred sheep and has lost one of them, does not leave the ninety-nine in the open pasture and go after the one which is lost until he finds it? "When he has found it, he lays it on his shoulders, rejoicing. read more.
"And when he comes home, he calls together his friends and his neighbors, saying to them, 'Rejoice with me, for I have found my sheep which was lost!' "I tell you that in the same way, there will be more joy in heaven over one sinner who repents than over ninety-nine righteous persons who need no repentance.

"What do you think? If any man has a hundred sheep, and one of them has gone astray, does he not leave the ninety-nine on the mountains and go and search for the one that is straying? "If it turns out that he finds it, truly I say to you, he rejoices over it more than over the ninety-nine which have not gone astray. "So it is not the will of your Father who is in heaven that one of these little ones perish.