'Feed My Sheep' in the Bible

I will feed my sheep myself, and bring them to their rest, sayeth the LORD God.

He said to him again the second time, "Simon the son of Jonas, lovest thou me?" He said unto him, "Yea Lord thou knowest that I love thee." He said unto him, "Feed my sheep."

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