Do you mean something comparable to your "case closed" dictum?
Try something better. By the way, the words were not meant as a "dictum", they were merely a wish.
It would be less than wise to suggest that evolution does not occur and has not occurred. But no one knows much of anything concerning what was referred to as the "beginnings". So all the musing over such things seems a little less than important.
Maybe Voltaire was right, "If there were no God, it would be necessary for man to invent one." I doubt it, but that's just me.