The United States is the most religious nation in the developed world, if religiosity is measured by belief in all things supernatural -- from God and the Virgin Birth to the humbler workings of angels and demons. Americans are also the most religiously ignorant people in the Western world. Fewer than half of us can identify Genesis as the first book of the Bible, and only one third know that Jesus delivered the Sermon on the Mount.
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Approximately 75 percent of adults, according to polls cited by Prothero, mistakenly believe the Bible teaches that "God helps those who help themselves." More than 10 percent think that Noah's wife was Joan of Arc. Only half can name even one of the four Gospels, and -- a finding that will surprise many -- evangelical Christians are only slightly more knowledgeable than their non-evangelical counterparts.
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