Matthew 10:6
but go rather to the sheep that are lost of the house of Israel.
Matthew 15:24
But he said in reply, I am not sent, save only to the lost sheep of the house of Israel.
Matthew 18:12-13
What think you? If a man have an hundred sheep, and one of them stray, doth he not leave the ninety and nine in the mountains, and go and seek that which had strayed?
Luke 10:31-32
And it so fell out, that a certain priest went down that way, and seeing him, he kept the opposite side of the road.
Luke 15:4-6
What man is there of you, possessing an hundred sheep, though he lose but one of them, will he not leave the ninety-nine in the wilderness, and go after that which is lost, until he find it?
James 5:19-20
Brethren, if any man among you should have erred from the truth, and one convert him;
1 Peter 2:25
For ye were as sheep wandering astray; but are now returned unto the pastor and bishop of your souls.