Matthew 9:36
And when he saw the multitudes, he was moved with compassion for them, because they were troubled and scattered as sheep that had no shepherd.
Mark 6:34
And when Jesus came out, he saw a great multitude, and had compassion on them, because they were as sheep that had no shepherd. And he began to teach them many things.
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.
John 10:3-4
To him the door-keeper opens; and the sheep hear his voice, and he calls his own sheep by name, and leads them out.
John 10:9
I am the door: if any one enters through me, he shall be saved; and he shall go in and out, and find pasture.
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.