<quoted text>I notice even in your post you recognize that GOD lead Mathew to use two different words. It is clear that God made a distinction. He did NOT SAY thou art petros and upon petros I will build my church. He used two different words thus signifying that the two rocks spoken of were different. Peter was the petros and the profession that Peter had just made was the petra upon which Christ said He would build His church. How is the church built(added to) by on believer at a time coming to the saving faith that 'THOU ART THE CHRIST ,THE SON OF THE LIVING GOD.
A M E N.