If you really wanted to know for sure that the human soul resides in the brain, you could cut off a man’s head and ask it. You would have to ask quickly, for the human brain cut off from its blood supply will slide into unconsciousness after ten or twelve seconds. You would, further, have to instruct the man to answer with blinks, for, having been divorced from his lungs, he can pull no air through his larynx and thus can no longer speak. But it could be done. And if the man seemed more or less the same individual he was before you cut off his head, perhaps a little less calm, then you would
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