53 



platire, and perhaps more credulous charac- 

 ter, who have been disposed to believe that 

 there were invisible causes, operating to pro- 

 duce the alterations which are visible, and 

 who from much less numerous facts have 

 drawn the same inferences that I have done. 

 And many of these, from Pythagoras down- 

 wards, have expressed their sentiments, 

 though with some variety, yet pretty much 

 to the same effect. The Greek philosophers 

 recognized in man, the so/*, YW^U, and N f , 

 the body, vital principle, and mind, whilst 

 some used words significant of intellect, 

 to express the energizing principle in na- 

 ture, without apparently having any clear 

 ideas of intelligence. 



What was called the Anima Mundi, 

 was, however, by many considered as a dis- 

 tinct and active principle, and was not con- 

 founded with intelligence of any kind. I 

 know not how I can better exhibit to my au- 



