MATTER AND MIND 23 



how, for translation by us. In the psychical 

 world there exists no such touchstone of 

 experiment, and there does exist the funda- 

 mental difficulty of building up a system of 

 thought on anything else than a materialistic 

 basis, so that in the last resort the theologian 

 becomes just as materialistic as the veriest me- 

 chanician. It is important for the materialist 

 to realize that his methods of experimentation 

 cannot be extended to touch or test things 

 of a purely psychical nature, and it is equally 

 important for the psychologist to remember 

 that he has only so far been dealing with 

 materialistic models, and studying the sub- 

 structure in which mental acts occur. Neither 

 set of philosophers, whatever their beliefs 

 may be, can prove or disprove anything as to 

 the existence of mind apart from matter, 

 or what are the subtle relationships of mind 

 and matter. 



The ordered beauty of the world of Nature 

 suggests an infinite intelligence with powers 

 of action such as no man or other creature 

 possesses, and evolution which was so hotly 

 contested by the theologians of a generation 

 ago, suggests the beautiful conception of 

 continued action, but when man commences 

 to speculate as to the nature of this intelli- 

 gence which rules the universe, however 



