WHAT IS PHYSICAL LIFE 



will we hear of physical life being caused 

 by evolution. 



But in the course of this investigation 

 Science will encounter a fact which is as 

 much a fact as any other, and that is, that 

 the human race, apparently because it is 

 human, for no other species shows a trace 

 of it, has always had a firm belief in the 

 existence of a world unseen by human 

 eye. This we meet not here arid there, 

 but everywhere. Incredulity is powerless 

 against this belief. The lowest savage 

 holds it so strongly that he is sure the 

 most inanimate of objects has a living 

 spirit behind it. But we have already 

 mentioned a truth about sight which may 

 indicate that this fancy of the savage has 

 a physiological basis. The eye, by its 

 imperfections as an instrument, has too 

 often deceived him to have him believe that 

 it sees all. We know that in this he is 

 right, however mistaken he be as to the 

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