“Go blind,” and “see” if you are headless, or not. Will you, the reader, kindly do just that? Shut your eyes, and for ten seconds check whether you now have the slightest evidence of a headpiece occupying the centre of your world, of a some-thing here that has any discernable boundaries or shape or size or colour or opacity - let alone eyes or nose or ears or mouth. (Aches and tickles and tastes and so on don’t begin to make up a head, aren’t like that at all.) Or, for that matter, have you the slightest evidence right now of a body? To make sure, how many toes can you count, when with closed
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