502 HEREDITY AND ENVIRONMENT 



rality was widespread, and then came sterility 

 and extinction or mixture with inferior stock 

 and degeneracy. And then the barbarian, the 

 immigrant, the natural man, unspoiled by too 

 much freedom and true to his instincts, came 

 in to take the place of the more gifted race. 

 Truly "there is a power not ourselves that 

 makes for righteousness." 



In these days when we talk of our race and 

 our civilization as if they were necessarily su- 

 preme and immortal it is well to remember 

 that there have been other races and other 

 civilizations that regarded themselves in the 

 same way. "Assyria, Greece, Rome, Carth- 

 age, where are they?" And what assurance 

 have we that our race and our civilization will 

 not run a similar course and come to a similar 

 end? May we not surely predict that if we 

 continue to put individual freedom and luxury 

 and selfishness above social obligations our 

 race and civilization will also see the writing 

 on the wall, "Thou art weighed in the bal- 

 ances and art found wanting"? In these days 

 when individuals are demanding more and 

 more freedom it is well to remember that "the 



