John 21:15-17

15 So when they had eaten their breakfast, Jesus said to Simon Peter, "Simon, son of Jonah, do you love me more than these?" He said to him, "Yes, Lord; you know that I have affection for you." He said to him, "Feed my lambs."

16 He said to him again a second time, "Simon, son of Jonah, do you love me?" He said to him, "Yes, Lord; you know that I have affection for you." He said to him, "Tend my sheep."

17 He said to him the third time, "Simon, son of Jonah, do you have affection for me?" Peter was grieved because he asked him the third time, "Do you have affection for me?" He said to him, "Lord, you know everything. You know that I have affection for you." Jesus said to him, "Feed my sheep.