There is cerainly a number of examples whereby what looks like divine intention repeats something of itself. Whether that is a product of human creation is a matter less understood as widely. I think the question of revelation is meant to be humbling and inspiring. Who am I to say, though, what one persons' hallucination or another's 'demon' may or may not reveal, or whether when an angel speaks to someone directly, what is then exactly going on? I think i'm with the scientific camp on this one, wherein it is written that certain truths shall be revealed...