GENETICS AND ETHICS 477 



trains them to attempt what may often seem 

 to them impossible, to crash into the hne 

 though it may seem a stone wall, to get out 

 of their bodies every ounce of strength and 

 endui'ance which they possess. Such training 

 makes men acquainted with their powers and 

 teaches courage, confidence and responsibility. 

 If only we could make young persons ac- 

 quainted in some similar way with their hidden 

 mental and moral powers what a race of men 

 and women might we not have without wait- 

 ing for that uncertain day when the inheri- 

 tance of the race will be improved ! Whatever 

 the stimulus required, whether pride or shame, 

 fear or favor, ambition or loyalty, responsi- 

 bility or necessity, education should utilize 

 each and all of these to teach men self knowl- 

 edge and self control. 



But it will be said that self control depends 

 upon inheritance, that strong wills and weak 

 wills are such because of heredity. It is true 

 that one man may be born with a potentiality 

 for self control which another man lacks, but 

 in all men this potentiality becomes actuality 

 only through development, one of the princi- 



