Matthew 9:36
As he saw the crowds he was moved with pity for them; they were harassed and dejected, like sheep without a shepherd.
Mark 6:34
So when Jesus disembarked he saw a large crowd, and out of pity for them, as they were like sheep without a shepherd, he proceeded to teach them at length.
Matthew 10:6
rather make your way to the lost sheep of the house of Israel.
Matthew 15:24
He replied, "It was only to the lost sheep of the house of Israel that I was sent."
John 10:3-4
The gate-keeper opens the gate for him, and the sheep listen to his voice; he calls his sheep by name and leads them out.
John 10:9
(I am the Gate; whoever enters by me will be saved, he will go in and out and find pasture.)
1 Peter 2:25
You were astray like sheep, but you have come back now to the Shepherd and Guardian of your souls.