How Many Churches? How Many Letters?

In his important and stimulating article, “Christian Number and Its Implications,” Roman historian Keith Hopkins next begins to think about the implications about the size of the Christian church at different periods. One point to emphasize is that there was not simply one church. There were lots of churches in lots of places, and it is a myth to think that they were all one big cohesive bunch. On the contrary, they were often (as we see in our records) often at odds with each other.

But even...