Laws and Hypotheses for Behavior 281 
ability to learn — in the amount of influence of a given de- 
gree of satisfyingness or annoyingness upon the connection 
that produced it. ! 
The peculiarly human features of intellect and character, 
résponses to elements and symbols, are the results of: 
first, a receiving system that is easily stimulated by the 
external world bit by bit (as by focalized vision and touch 
with the moving hand) as well as in totals composed of vari- 
ous aggregates of these bits; second, of an action-system of 
great versatility (as in facial expression, articulation, and 
the hands’ movements); and third, of a connection-system 
that includes the connections roughly'denoted by babbling, 
manipulation, curiosity, and satisfaction at activity, bodily 
or mental, for its own sake; ‘that is capable of working in 
great detail, singling out elements of situations and parts 
of responses ; and that allows satisfying and annoying states 
of affairs to exert. great influence on their-antecedent con-’ 
nections. Because he learns fast and learns much, in the 
animal way, man seems to learn by intuitions of his own. '' 
