Preface 



DR LLURIA has been so good as to class me as an 

 expert in matters of sociology, and has invited me 

 to express my opinion on the present work, which 

 treats of the anthropological causes of the so-called 

 social question. 



Such a request places me in considerable 

 difficulty, since, not being conversant with the 

 science created by A. Comte, and developed by 

 H. Spencer, I have studied very little, or rather I 

 have not had time to study, the moral and in- 

 tellectual evolution of man, considered in relation 

 to society and the State. A worker bee of the 

 great human hive, I have confined myself chiefly to 

 gathering honey in the garden of Nature, in order to 

 build my small individual cell, leaving others, with 

 the eagle's vision and powers of concentration, to 

 trace the perspective and found the philosophy of a 

 common labour, marking the future routes of the 

 human swarm. 



But, as in the present case my silence might 



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