" Vestiges of this kind of crude learning mechanism in the human brain may incline people to see objects or places as inhabited by evil, a perception that figures in various religions. Hence, perhaps, the sense of dread that has been associated by some anthropologists with primitive religious experience.

And what of the sense of awe that has also been identified with religious experience—most famously by the German theologian Rudolf Otto (who saw primordial religious awe as often intermingled with dread)? Was awe originally “designed” by natural selection for some nonreligious purpose? Certainly feelings of that general type sometimes overtake people confronted by other people who are overwhelmingly powerful. They crouch abjectly, beg desperately for mercy. (In the Persian Gulf War of 1991, after weeks of American bombing, Iraqi soldiers were so shaken that they knelt and kissed the hands of the first Americans they saw even when those Americans were journalists.) On the one hand, this is a pragmatic move—the smartest thing to do under the circumstances. But it seems fueled at least as much by instinctive emotion as by conscious strategy. Indeed, chimpanzees do roughly the same thing. Faced with a formidable foe, they either confront it with a “threat display” or, if it’s too formidable, crouch in submission.

There’s no telling what chimps feel in these instances, but in the case of humans there have been reports of something like awe. That this feeling is naturally directed toward other living beings would seem to lubricate theological interpretations of nature; if a severe thunderstorm summons the same emotion as an ill-tempered and potent foe, it’s not much of a stretch to imagine an ill-tempered foe behind the thunderstorm. "

― Robert Wright , The Evolution of God