MATTER AND LIFE FROM WITHIN 8 1 



pulse travelling along a nerve which we perceive 

 as a spasm of pain. The pain is a reality, the 

 current is the symbol of that reality, which may 

 thus become evident to senses other than our own. 

 But the sensations involved in reading a galvan- 

 ometer are quite different from the sensation of pain. 

 Both sensations are realities, but of quite a different 

 kind. So different may be the reality underlying 

 any "material" phenomenon from the effects pre- 

 sented to our senses. 



Dr. Johnstone Stoney, 1 who has, perhaps, done 

 more than any living physicist to elucidate the 

 connection between mental realities (" auta ") 

 and the physical universe, puts the matter as 

 follows : 



" The only part of the stupendous autic universe 

 (universe of realities) which a human being can 

 adequately examine is that excessively small group 

 of auta which are the thoughts of his own mind, 

 with the similarly small groups that are the minds 

 of his fellow man and of some other animals; he 

 cannot even make any adequate study of the events 

 that go on within the synergos [subconscious self] 

 which is so closely associated with his mind, and 

 can only collect mere scraps of information as to 

 what the real events are throughout the rest of 

 the vast machine. As to that tiny group of auta 

 that are one human being's thoughts, it I" 



1 Proceeding* of the American Philoiophical Society, April 3, 1903. 



P 



