Man m the Light of Evolution 



the effort Is maintained by the will. The 

 strength of his purpose and the vigor of his 

 efforts Is proportional to the depth and Inten- 

 sity of his feeling or to the power of his motives. 

 These motives are of very different age and char- 

 acter. Appetites, prudential considerations, love 

 of beauty, truth, and goodness, moral and relig- 

 ious motives, form an ascending scale of value 

 and power. The highest and strongest motives 

 characterize the fully developed man and make 

 him what he is. 



Man Is therefore a being of extraordinary 

 complexity and of innumerable possibilities. He 

 can rise to heights of wisdom and power of 

 which we as yet have little conception, or he 

 can sink lower than any brute. He can press 

 upward In the line of progress, can stray or 

 straggle from the line of march, or can stag- 

 nate or turn back. He has more possibilities of 

 failure than the lower animal, and the attrac- 

 tions and allurements to stray from the upward 

 course are more numerous and more powerful. 



Only close attention to the highest aims and 

 enthusiasm for the highest ends can unify so 

 complex a federation of powers and direct the 

 life toward a truly human goal. Otherwise en- 



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