xxii INTRODUCTION 



caused the growth and development of man's spiritual, 

 mental, and moral nature. 



Human nature is to-day essentially the same as it was 

 thousands of years ago. The great achievements of mod- 

 ern man are intellectual and dependent upon accumulated 

 stores of information and knowledge. They are not 

 moral attainments. The thin veneer of civilization is the 

 charitable cloak which covers much brutality, deceit, and 

 egotism, and no little hypocrisy, which often serves pleas- 

 antly to beguile the dead monotony of dissimulation. 



