The first time I heard the phrase “Nones” was from my friend Jim Wallis, who wrote about the release of a Pew Forum study documenting the growing number of people who responded “none of the above” when asked about their religious affiliation. As I wrote in a response back then, “Calling people ‘Nones’ is a mistake.”

I’m even more convinced of this now — and I think it’s especially a mistake for Christians to adopt this moniker. Here’s why: