Read the Apostolic Fathers (early-middle 2nd century) to see what a hodgepodge of expressions of Christianity existed as of the turn of the first century. No question their faith in God saved them, but it was obvious that the traditions of the Apostles needed to be organized, in order for future generations to have a true knowledge of Jesus Christ, who is the ultimate authority.
Beyond a true knowledge of Jesus Christ, as he is presented in the memoirs of the Apostles, the Bible, I’m not sure that other *binding* traditions are necessary.
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PAX TIBI.