HUMAN LIFE 



ence and influence of these two usually 

 conflicting parts of human make-up were 

 made especially clear and sharp because 

 of the unwonted and continuous stress of 

 the whole situation. It was an unusual 

 opportunity for the biologist-student of 

 human life to observe the relative strength 

 of these two factors which play their parts 

 in the determination of the behavior and 

 fate of us all. Are we, in our present 

 evolutionary stage, more animal than 

 human or more human than animal? 

 And why? And can any attempt at 

 scientific analysis of present human 

 make-up give us knowledge that will 

 enable us to live more rationally, more 

 successfully, more happily? 



As detached and cool-blooded as he can 

 possibly be in his contemplation of the 

 make-up and the capacities and behavior 

 of human beings, the biologist is neverthe- 

 less often overcome by those same feelings 

 of awe and reverence in the face of the 

 "wonders of human life," which over- 

 come other less cool-blooded persons. 

 4 



