"Well, I'm a Christian. I was a born a Presbyterian and became an Episcopalian."

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To put it a little crudely, these days nobody is afraid of excommunication. If they decide they don't want to be Catholic anymore and want to become Episcopalians or Hindus, they just do it. The churches no longer have the disciplinary powers to keep their followers in check. That means that they have to accept much more feeding up from below than they had to in the past.

— Ninian Smart