Cities are, first of all, seats of the highest economic division of labor.

The intellectually sophisticated person is indifferent to all genuine individuality, because relationships and reactions result from it which cannot be exhausted with logical operations.

Thus, the technique of metropolitan life is unimaginable without the most punctual integration of all activities and mutual relations into a stable and impersonal time schedule.

Cities are, first of all, seats of the highest economic division of labor.

Secrecy sets barriers between men, but at the same time offers the seductive temptation to break through the barriers by gossip or confession.

Secrecy involves a tension which, at the moment of revelation, finds its release.

In the latter case life rests upon a thousand presuppositions which the individual can never trace back to their origins, and verify; but which he must accept upon faith and belief.