44 ORIGIN OF MIND. 



phenomena called life. As life is the 

 phenomena resulting from the chemical 

 changes that go on in the protoplasm 

 of the body generally, and ceases with 

 the ceasing of these changes, so mind is 

 the phenomena that result from the vital 

 changes that go on in the protoplasm of 

 the grey matter of the nervous system, 

 especially of the brain, and it ceases with 

 the ceasing of these changes goes out 

 as the light of a lamp does. 



Mind, then, is not a separate intelligent 

 or spiritual entity that uses the brain as 

 the medium through which to work and 

 display its powers. Nor is it a universally 

 existing something, an emanation from 

 the Deity, that is apportioned off in separate 

 quantities to individual human and other 

 beings. There is no separate Ego or I. 

 " I am," is only a result of consciousness ; 

 and consciousness is only one of the powers 

 of the mind. Nor is mind the immortal 

 soul, or spirit : it is the sum of the pheno- 

 mena resulting from the activity of the 

 grey matter of the nervous system. 



Now, as nervous system and grey matter 

 are common to all animals, so is mind ; 

 and the only difference there can be between 

 the mind of man, the highest animal, and 



