Mind and Matter in 



So, also, brain is truly the organ of mind 

 and consciousness, and to a brainless race 

 these terms, and all other terms, would be 

 meaningless ; but no one is at liberty to 

 assert, on the strength of that fact, that the 

 realities underlying our use of those terms 

 have no existence apart from terrestrial 

 brains. Nor can we say with any security 

 that the stuff called " brain " is the only 

 conceivable machinery which they are able 

 to utilise : though it is true that we know 

 of no other. Yet it would seem that such a 

 proposition must be held by a materialist, or 

 by what can be implied by the term " monist," 

 used in its narrowest and most unphilo- 

 sophic sense a sense which would be better 

 expressed by the term materialistic-monist, 

 with a limitation of the term matter to the 

 terrestrial chemical elements and their com- 

 binations, i.e., to that form of substance 

 to which the human race has grown 

 accustomed a sense which tends to ex- 

 clude ethereal and other generalisations 

 and unknown possibilities such as would 



