rules became crucial for differentiating false teaching from true teaching. Why? Because a rule was not just a law; it was a measuring stick, a narrative that provided orientation about where the center of the Christian faith is. Why was a rule necessary to maintain true teaching? An analogy from Irenaeus illustrates it well. Scripture is a complicated book: it can be interpreted in many different ways. It’s like a mosaic that has many tiny pieces of different colors. If one properly discerns the