INTRODUCTION 9 



with the knowledge of good and evil for the whole 

 human race. 



It is impossible here, in the short space at our dis- 

 posal, to give any just idea of the methods by which 

 this knowledge has been acquired or of its extent and 

 authority. Here we can only summarize and simplify 

 a few of the results, which we have set forth at greater 

 length in a previous work. 1 



1 The Family and the Nation, 1909. 



