Matthew 18:12-14
What do you think? If a man has a hundred sheep and one of them strays away, will he not leave the ninety-nine on the hills, and go in search of the one that is astray?
Luke 15:4
"What man among you, if he has a hundred sheep, and loses one of them, does not leave the ninety-nine in the wilderness, and go in search of the one that is lost, until he finds it?
John 6:37
All that my Father gives to me will come to me, and I will never refuse anyone who comes to me,
John 10:16
I have other sheep too that do not belong to this fold. I must lead them too, and they will obey my voice, and they will all become one flock, with one shepherd.