98 Heredity and Social Progress 



no need of struggle appeared, these structures 

 would have been replaced, not repaired, and 

 then habit, association, and sensation would 

 have been less definite and more constantly 

 modified. Life would always be the Present, 

 with new structure to create new thoughts, 

 and new emotions and visualizations to broaden 

 its contents. We think of memories and sensa- 

 tions as being accurate representations of the 

 past, or of outside conditions. But this is true 

 only as they are the products of hardened 

 structures. The being of larger energy makes 

 new structure, and mingles his emotions and 

 visualizations with structural products in the 

 form of memory and of sensation. The more 

 mobile the structure, the more do all these ele- 

 ments melt in the flow of thought and the less 

 able is the thinker to distinguish their origins. 

 In the growing child fact and fancy flow along 

 together a condition which would remain if 

 new structure were as readily created in the 

 adult as it is in the child. But struggle makes 

 men analytic by forcing them to attend solely 

 to sensations and associated memories. Emo- 

 tion and fancy are not only isolated but are 



