Matthew 16:17-19 HCSB
And Jesus responded, “Simon son of Jonah, you are blessed because flesh and blood did not reveal this to you, but My Father in heaven. And I also say to you that you are Peter, and on this rock I will build My church, and the forces of Hades will not overpower it. I will give you the keys of the kingdom of heaven, and whatever you bind on earth is already bound in heaven, and whatever you loose on earth is already loosed in heaven.”
Matthew 26:33-35 HCSB
Peter told Him, “Even if everyone runs away because of You, I will never run away!” “I assure you,” Jesus said to him, “tonight, before the rooster crows, you will deny Me three times!” “Even if I have to die with You,” Peter told Him, “I will never deny You!” And all the disciples said the same thing.
John 21:15-17 NLT
After breakfast Jesus asked Simon Peter, “Simon son of John, do you love me more than these?”
“Yes, Lord,” Peter replied, “you know I love you.” “Then feed my lambs,” Jesus told him.
Jesus repeated the question: “Simon son of John, do you love me?” “Yes, Lord,” Peter said, “you know I love you.” “Then take care of my sheep,” Jesus said.
A third time he asked him, “Simon son of John, do you love me?” Peter was hurt that Jesus asked the question a third time. He said, “Lord, you know everything. You know that I love you.” Jesus said, “Then feed my sheep.