AND PERSONALITY 



in finance, in public life, and in war. They appear as great 

 leaders and great failures. 



In the size of the thinking brain, the heart and the volume 

 of blood, the size of the thyroid gland, adrenal glands, 

 celiac ganglia and plexuses, these mutants appear to be 

 evidence of the lack of uniformity and fixation of character- 

 istics in civilized man. Civilized man has appeared upon the 

 scene so recently and in breeding has been subjected to so 

 many out-crosses that inheritance is not stabilized, and 

 mutations appear frequently. 



Since the diseases and disasters in the life and career of 

 many individuals in the high tension of civilized life are 

 due largely to worry and emotionalism, it would seem 

 logical to substitute for the emotions the greatest gift of 

 evolution to civilized man, namely, reason. If, in childhood, 

 adolescence, or young-adult life, the inherited tendencies 

 of these mutants could be detected and the danger of their 

 high endowment glimpsed, the pathologic physiology of 

 these superlative energy-controlling systems might, through 

 training and education, be minimized or avoided. 



