Identify and explain the central point expressed in the passage. The mental attitude of the people of the metropolis to one another may be designated...

The mental attitude of the people of the metropolis to one another may be designated formally as one of reserve. If the unceasing external contact of numbers of persons in the city should be met by the same number of inner reactions as in the small town, in which one knows almost every person he meets and to each of whom he has a positive relationship, one would be completely atomized internally and would fall into an unthinkable mental condition.