Public identity and private belief are never more at odds than when a preacher loses his faith.
"We spend our lives impersonating who we think others want us to be," he says. "And we end up as living impostors. So, when someone comes to me and tells me they're losing their faith, I congratulate them. You're starting to embrace your own thinking self—the essential, immutable, immortal self— as opposed to the accidental criminal you have been made to think you are."