What in the world did those guys at Cepher do?

The rules: thou shall defer to those who made the rules before. Q: Who were they? A: Doesn't matter. This is what they did; this is what we do. Q: But weren't the guys who made these rules Messiah deniers? A: Hadn't considered that, and don't intend to consider it now. Tradition is the most important thing. Q: But what if they were wrong? A: Huh?So now we ask the question: What in the world did those guys at Cepher do?