"To my way of thinking and working, the greatest service a piece of fiction can do any reader is to leave him with a higher ideal of life than he had when he began. If in one small degree it shows him where he can be...gentler, saner, cleaner, kindlier...it is a wonder-working book. If it opens his eyes to one beauty in nature he never saw for himself and leads him one step toward the God of the Universe, it is a beneficial book."

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Evolutionary theory, properly understood, does not conflict with the idea that God occasionally intervenes in nature - for example, by once or twice causing a beneficial mutation to occur. Biologists have not detected any such interventions despite the data and theory they have assembled about mutation. However, I think it is a mistake to expect biological experiments to be able to detect such one-off acts of divine intervention, especially if those acts occurred in the distant past. Science isn't in that line of work.

— Elliott Sober