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DAVID ANDERSON-BERRY, M.D... LL.D., ETC., ON 



in this vast and mysterious subject. What I say to you I say 

 in all humility. I can show you some of my experiments, for 

 their subject is at hand — the Mind. That being so you can verify 

 them if you" wish. And if you disagree with my conclusions, as 

 very likely you will, the very disagreement may prove to be an 

 incentive to fresh thought that brings new light. When I was 

 a boy, in a bedroom where I visited there hung a card under the 

 gas jet with this incription beautifully embroidered on it. Scratch 

 my Bach ! Of course when one turned the card to do so one found 

 it covered with sandpaper on which to scratch a match. Well, 

 if by friction between us light springs up in the darkness, in the 

 gross darkness, that covers large parts of this field, my work, 

 feeble and contemptible perchance though it may seem, will not 

 have failed in the main part of its endeavour. 



Experiment I. — To divide the universe into two parts 

 psychologically. 



Concentrate your minds on / myself and at once the opposite 

 Not I comes into view. Thus the universe is divided into the 

 Ego and Non-Ego, the Self and Not Self, the Me and the Not Me. 



This is a basic fact, the fact of Personal Identity and all that 

 it entails. It is this that makes Psychology in the first place an 

 individualistic science as compared with all other sciences which 

 are universalistic. 



Before we go further let me suggest to you what seems to me a 

 fair definition of a power or faculty. 



" Knowledge implies a subject possessed of the power or 

 capacity to know, and an object so correlated to this faculty, 

 that when the proper conditions are fulfilled, knowledge of said 

 object necessarily arises, in consequence of that reciprocal relation." 



Here is the subject, I, and the object Not I, what faculty or 

 power or capacity do I possess that when the proper conditions 

 are fulfilled knowledge of the Not I necessarily arises ? I reply, 

 the faculty of Sense or Sense-consciousness. 



Again, asldng the same question when / is both subject and 

 object, the answer is Consciousness or Self -consciousness. 



Here, then, are two primary faculties of the Mind. There is 

 another, that faculty or power I call Reason, or the organ of 

 implied knowledge. 



The primary faculties of the Intelligence, then, are three. (1) 

 Self -consciousness, or the organ of subjective knowledge by which 

 the facts or phenomena of the Mind are directly, immediately or 

 intuitively perceived. (2) Sense, or the organ of objective 



