Is this in your Bible? I bet it is.
Matthew 16: 17-19
Peter’s Confession of Christ
…17And Jesus said to him, “Blessed are you, Simon Barjona, because flesh and blood did not reveal this to you, but My Father who is in heaven. 18”I also say to you that you are Peter, and upon this rock I will build My church; and the gates of Hades will not overpower it. 19”I will give you the keys of the kingdom of heaven; and whatever you bind on earth shall have been bound in heaven, and whatever you loose on earth shall have been loosed in heaven.”…
I don't know if the two who you directed that inquiry towards have read it, since I cannot speak for them.
But I have read those passage, and so have many others.
Read on;
The Church Fathers' Interpretation of the Rock of Matthew 16:18