'Feed My Sheep' in the Bible

He saith to him again the second time, Simon son of Jonas, lovest thou me? He saith to him, Yes, Lord: thou knowest that I love thee. He saith to him, Feed my sheep.

He saith to him the third time, Simon son of Jonas, lovest thou me? Peter was grieved, because he said to him the third time, Lovest thou me? And he said to him, Lord, thou knowest all things; thou knowest that I love thee. Jesus saith to him, Feed my sheep.