the very same rule as other and perhaps verbally quite different formulations. For they drew from the cistern of truth itself, the community of which they themselves were members and teachers. This confidence in the community’s truth is again a confidence in the Spirit. The regula fidei can perhaps be discerned already in New Testament documents, though we will not here go very far into the question. Paul’s specification of prophecy that is done kata tēn analogian tēs pisteōs, “according to the analogy