EVOLUTION THE MASTER-KEY 



philosophy saw and brought the light. But it 

 is necessary, ere treating of the three topics 

 chosen, which are the test of truth, the controversy 

 regarding the origin of our ideas, and the human 

 will, that we should attempt clearly to review the 

 main contention of the evolutionary psychology. 



Whatever its limitations and its capacity for 

 error, however far it be from what it may yet 

 become, and whatsoever criticisms we may pass 

 upon the doctrine of Protagoras that "man is the 

 measure of all things, " the human mind is, neverthe- 

 less, the only veritable wonder of the world ; a fact 

 which neither the idealist nor the realist, nei- 

 ther the sceptic nor the dogmatist, will question. 

 Practically, it is the measure of all things; and 

 even while we recognize that it is perhaps not the 

 best judge of itself, its highest achievements may 

 well excuse us for regarding it as unique, sui gene- 

 ris, unexampled, incomparable. To seek its origin 

 in anything less than itself, in anything but 

 a Divine Mind, would seem futile impertinence. 

 Yet, as it is an indisputable fact that the body of 

 man, with its amazing mechanisms and capacities, 

 is directly developed from a morsel of living matter 

 about one-hundred-and-twentieth of an inch in 

 diameter which can easily be hidden by the 

 point of a pencil, so it must now be believed that 

 the mind of man has an origin as humble and in- 

 significant. The inference, however, may be not 

 that it is itself, for all its pretensions, humble and 

 insignificant, but that that which we think so is, 

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