144 DEATH AND RESURRECTION. 



into trades, corresponding to the tis- 

 sues in the natural organism. As the 

 cells in one tissue, so the men in one 

 trade are incessantly occupied with the 

 same work. Out of several trades are 

 formed the social organs. A social 

 organ consequently is a certain com- 

 munity or district performing a certain 

 part of an industry. This has been 

 called "territorial division of labor." 

 Several such communities make up an 

 organ-system or an industry. A few 

 such larger units merge into the single 

 unit, the entire mass of human indi- 

 viduals as a whole. 



The cells of the individuals in an or- 

 ganism are consequently at once build- 

 ing-material and builders, and in their 

 latter capacity are endowed with wants 

 and aspirations that with natural ne- 

 cessity force them to organization with- 

 out conscious plan or purpose. Neces- 

 sity is the teacher that tells them how 

 to organize. Some speak of a social 

 instinct that man does or should pos- 

 sess; but its existence has never been 



