HUMAN LIFE 



theologians or philosophers who without 

 having studied Nature at all pretend to 

 be able to say the same thing. However 

 extraordinary the special qualities that 

 I cannot but see in the human being, and 

 can never see in other kinds of living 

 beings, I am still not necessarily driven 

 to look on man as something out of or 

 beyond Nature. In fact I see so much in 

 him that is familiar elsewhere in Nature 

 that I would have quite as much difficulty 

 in explaining why this is so, if he is super- 

 natural, as I now have in trying to explain 

 all of him in terms of the Nature which is 

 revealed in studying physics, chemistry, 

 and the natural history of plants and the 

 lower animals. 



Altogether, then, in approaching the 

 study of human life from the standpoint 

 of the biologist who is not a bigot, but 

 who is after all a biologist and not theo- 

 logian or metaphysician, we must take 

 fairly into account all that the study of 

 the rest of Nature allows us to make use 

 of in understanding certain aspects of 

 42 



