"The tools of the academic designer are a piece of paper and a pencil with an eraser. If a mistake is made, it can always be erased and changed. If the practical-reactor designer errs, he wears the mistake around his neck; it cannot be erased. Everyone sees it."

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Biblical higher criticism is preserved in the particular enclave of academic Christian scholarship and is thought to be too unfruitful to share with the average pew-sitter, for it raises more questions than the church can adequately answer. So the leaders of the church would protect the simple believers from concepts they were not trained to understand. In this way that ever-widening gap between academic Christians and the average pew-sitter made its first appearance.

— John Shelby Spong