HOW THE HORSE LEARNS 69 



stand how they must be taught those things which 

 it is desired thev shoukl learn. 



Their mental character is narrated in tlie pre- 

 ceding chapter, and how they learn is explained 

 in this. 



JI<nv the liorse learns. 



Everyone has learnt that after the lightning 

 comes the thunder, because with the idea of light- 

 ning he has associated the idea of the thunder, 

 which immediately followed the lightning. It is in 

 tliis way, by means of the association of the idea 

 of one thing, Avhicli is called forth in him by a 

 sensation, with another idea, called forth in him 

 by another sensation, that the horse and all other 

 animals learn. The idea of thmider was associated 

 with the idea of liyhtnimj. The idea of the thunder 

 is the idea learnt, and the idea of the Ughtyiing 

 is that which has taught the idea of the thunder. 



Horses do not understand words, but they un- 

 derstand the sound of the words which has been 

 repeatedly associated with the movements they were 



