SCIENCE AND CULTURE 39 



ing makes an easy and assured progress in 

 the science he has studied. He has assimilated 

 the spirit of that sort of knowledge in such a 

 way that, henceforth, he finds himself at home 

 there. 



Now it is a characteristic of human nature, 

 that when several individuals have intercourse 

 with each other, they not only exchange from 

 without certain definite pieces of information 

 or methods of action, but, by a sort of internal 

 contagion from soul to soul and mind to mind 

 exert a reciprocal influence. "It is the peculiar 

 characteristic of mind," says Goethe, "to 

 arouse perpetually the activity of mind." 

 Dies ist die Eigenschaft des Geistes, dass er 

 den Geist ewig anregt. 



And that influence of one spirit upon an- 

 other, is much more certain and effectual, 

 when there is not only an exchange of intel- 

 lectual ideas, but a union of hearts. Who 

 knows, indeeed, whether that may not be an 

 indispensable condition? "It is impossible," 

 said Xenophon, "to learn anything from a 

 master one does not love": 

 TTOLiSevo'Lv Trapa TOV fjirj 



