After Peter’s three-fold denial, the Lord reinstates him through a three-fold confession of love towards Jesus. From John 21:15-19, Rev. Paul van Engelenhoven preaches on the requirement of serving God: Love; Loving Jesus: Feeding His Lambs; Loving Jesus: Tending His Sheep; and Loving Jesus: Feeding His Sheep.
“He said to him the third time, ‘Simon, son of John, do you love me?’ Peter was grieved because he said to him the third time, ‘Do you love me?’ and he said to him, ‘Lord, you know everything; you know that I love you.’ Jesus said to him, ‘Feed my sheep.'”