(May 5, 2015 at 1:56 pm)Clueless Morgan Wrote:(May 3, 2015 at 3:20 pm)PhilosophicalZebra Wrote: thus, this leads to the question: what would be enough to convince us non-believers? I think it's a difficult but interesting thought.
The same sorts of things it would take to convince me that unicorns exist. Or that ghosts exist. Or dragons, or leprechauns, or the chupacabra.
I personally don't see how you could draw blood from a ghost, but I agree with the rest of your logic.