Hints of God appear everywhere, sometimes even in Parade magazine. Marilyn vos Savant, whom Guinness proclaims as having the highest recorded IQ score, responded in her column to a question from a Mensa member, “Why are we here?”

Savant replied, “I think it depends on your spiritual beliefs. If you have a religion, it provides the answer. But if you don't believe in a god, the question contradicts your thinking. Having a reason implies having a purpose, which...