"The centermost processes of the brain with which consciousness is presumably associated are simply not understood. They are so far beyond our comprehension that no one I know of has been able to imagine their nature."

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We need only view a Dissection of that large Mass, the Brain, to have ground to bewail our Ignorance...We admire...the Fibres of every Muscle, and ought still more to admire their disposition in the Brain, where an infinite number of them contained in a very small Space, do each execute their particular Offices without confusion or disorder.

— Nicolas Steno