"There are a score of great religions in the world, each with scores or hundreds of sects, each with its priestly orders, its complicated creed and ritual, its heavens and hells. Each has its thousands or millions or hundreds of millions of true believers each damns all the others with more or less heartiness - and each is a mighty fortress of graft."

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Scientific evidence for God's existence is being claimed today by theists, many of whom carry respectable scientific or philosophical credentials. He who is neither a she nor an it supposedly answers prayers and otherwise dramatically affects the outcome of events. If these consequences are as significant as believers say, then the effects should be detectable in properly controlled experiments.

— Victor J. Stenger