Matthew 10:6
But go rather to the lost sheep of the house of Israel.
Matthew 15:24
But he answered and said: I am not sent but to the lost sheep of the house of Israel.
Matthew 18:12-13
What think you? If a man have a hundred sheep, and one of them go astray, does he not leave the ninety-nine, and go into the mountains, and seek for that which has gone astray?
Luke 10:31-32
And by chance a certain priest went down along that road, and when he saw him, he passed by on the other side.
Luke 15:4-6
What man of you that has a hundred sheep, and loses one of them, does not leave the ninety-nine in the desert, and go after that which is lost, till he find it?
James 5:19-20
Brethren, if any among you should err from the truth, and one should turn him back,
1 Peter 2:25
For you were like sheep that had gone astray; but now you have returned to the shepherd and bishop of your souls.