Man in the Light of Evolution 



older and stronger members of the band or flock 

 watch and protect the younger. But the great 

 change from selfish or self-centering motives 

 to those altruistic feelings which center about 

 another's welfare comes with the evolution of 

 family and social life. Mammals and birds pro- 

 tect their young at the risk or expense of their 

 lives. In social life a similar feeling Is extended 

 to our neighbors so that a man may lay down 

 his life for his friends. 



Social life brings with It a series of new mo- 

 tives. A man must be true to his friends, to his 

 clan, city, or nation. Friendship, patriotism, 

 loyalty, honor, duty, become sources of motives 

 of extraordinary power. They raise man above 

 thoughts of appetite or of prudential considera- 

 tion. When these rule the life, and In propor- 

 tion as these rule, he becomes a hero of Titanic 

 power. 



Last in the series and youngest of all are the 

 religious motives. Their grandeur is but dimly 

 perceived and dully felt by the best. Sometimes 

 a great prophet shows us their power. They 

 are still struggling In our minds for the clear 

 recognition and absolute loyalty and complete 

 obedience which they will some day gain. We 



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