86 Presidential Address 



how he was healed, nor could he vouch 

 for the moral character of the Healer, 

 but he plainly knew that whereas he was 

 blind now he saw. About that fact he 

 was the best possible judge. So it is also 

 with "this main miracle that thou art 

 thou, With power on thine own act and 

 on the world." 



But although Life and Mind may be 

 excluded from Physiology, they are not 

 excluded from Science. Of course not. 

 It is not reasonable to say that things 

 necessarily elude investigation merely 

 because we do not knock against them. 

 Yet the mistake is sometimes made. 

 The ether makes no appeal to sense, 

 therefore some are beginning to say that 

 it does not exist. Mind is occasionally 

 put into the same predicament. Life is 

 not detected in the laboratory, save in its 

 physical and chemical manifestations; 

 but we may have to admit that it guides 

 processes nevertheless. It may be called 

 a catalytic agent. 



To understand the action of life itself, 

 the simplest plan is not to think of a 



