504 GENERAL CONSIDERATIONS 



vague speculations as to physical phenomena, with the consciousness of 

 the highly civilized individual, which not only encompasses the earth 

 but reaches out to the limits of the universe, a gap exists which is greater 

 than that between the savage and the animals below him. The con- 

 sciousness of each individual human being expands with added knowledge 

 and experience, and the same thing may be said of the mind. 



