532 PATTEN— COOPERATION AS A FACTOR IN EVOLUTION. 



They are the agents produced by growth that supply the demands of 

 growth, and the profits of this exchange will provide the new means 

 for supplying the new demands. 



Need it be said that the chief function of statesmanship is to keep 

 these social reservoirs full and the channels of exchange open ; and 

 to find better methods of cooperative action between individuals, 

 states, and empires, in order better to meet the new problems in the 

 give and take of commodities that arise with the growth of the 

 individual and of his various social groups? 



