AS TO OURSELVES 



touch, such, for example, as brain matter? 

 But modern medical science has deprived 

 them even of this last visible and tangible 

 mental stuff, as it proves that the brain 

 no more itself thinks than the hand does, 

 but, like the hand, is nothing else than 

 the instrument of the invisible thinker. 

 As with the hands and the feet, we have 

 two brains, but only one of the two is that 

 human brain which is the seat of all human 

 mental faculty, while its fellow is nothing 

 more than the brain of the primate Homo. 

 It is the left brain in right-handed persons, 

 and the right brain in the left-handed, 

 which is the brain of a philosopher, of 

 a statesman, of a poet, of an orator and 

 what not, while its fellow knows not a 

 word, nor can it recognize an object by 

 any of the senses, nor conceive an idea. 

 If brain matter as such is the source of 

 mind, then both our brain hemispheres 

 would be equally mental, when the truth 

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