THE STRUGGLE FOR EXISTENCE. 91 



would not the benefit be greater if there 

 was no competition no struggle ? 



The idea that the struggle for existence 

 that is, unfavourable conditions of life has a 

 developing influence on animal physique, has 

 probably been suggested by the great develop- 

 ment of the moral strength of man under 

 his struggle with adversity; but there is no 

 analogy between the effects of unfavourable 

 conditions of life on animal physique and of 

 adverse circumstances on the moral nature 

 of man. 



