there are keys
and there are keys
keys to the Kingdom
given to the first pope, St Peter
handed down with tradition
and the scriptures
and Pope Francis can say with authority
"I am Peter".
like us or hate us, we catholic Christians were celebrating the sacraments before the catholic church decided what should be included in The New Testament. So we always believed in The Holy Sacrifice of the Mass, over and above, the reading of the scriptures.