I would imagine that prayer might actually have some effect, not in granting any particular wish, but in making the person feel better, something like the way placebos work. The mind is powerful and some kind of feeling of fulfilment might result.
Note: only if you believe it, of course. It would do nothing for wicked heathens like me.
Note: only if you believe it, of course. It would do nothing for wicked heathens like me.