Then Peter took Jesus aside and began to rebuke him, “God forbid, Lord! No such thing shall ever happen to you.” He turned and said to Peter, “Get behind me, Satan! You are an obstacle to me. You are thinking not as God does...Matthew 16:22–23
“And so I say to you, you are Peter, and upon this rock I will build my Church, and the gates of the netherworld shall not prevail against it. I will give you the keys to the Kingdom of heaven. Matthew 16:17–19