ORGANIC MOVEMENTS 117 



difficulties of how there ever could be an " interaction " 

 between two entities of such absolutely different kinds 

 as the " psyche " and the physical reality in space. It is 

 well known that it was especially these difficulties which 

 led Spinoza to his dogmatic parallelism, Leibniz to his 

 doctrine of monads, and Berkeley and Kant to their 

 idealistic theories of different styles. From our present 

 point of view we only recognise " interactions ' between 

 physico - chemical and non - physico - chemical agents of 

 nature. 



/A. THE SUPRA-PERSONAL FACTOR OF ACTING IN HISTORY 



These short remarks form one of the ends of our 

 discussion of acting, and at the same time one of the ends 

 of our long discussion of problems of analytical natural 

 science altogether. The next lecture will bring us into the 

 realm of the real philosophy of nature. 



But still another end must be given to our theory of 

 action : let us say a few words about the role of acting in 

 history, and about what may follow therefrom. 



That human history is throughout based on acting- 

 needs no further explanation, and indeed finds its proper 

 expression in the concept of the " historical " basis of 

 reacting, as being one of the foundations of action : the 

 individual history of the acting man is responsible for the 

 specificity of what he will do. That speaking and writing 

 are the most fundamental factors, upon which the history 

 of generations builds itself up, also needs only to be shortly 

 mentioned. 



But another problem arises, one related with the problem 



