Music and love are the only accomplishments of humanity which do not, in an absolute sense, have to be called attempts with unsuitable means.

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.

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

Music and love are the only accomplishments of humanity which do not, in an absolute sense, have to be called attempts with unsuitable means.

Man's nature, originally good and common to all, should develop unhampered.

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

For the division of labor demands from the individual an ever more one-sided accomplishment, and the greatest advance in a one-sided pursuit only too frequently means dearth to the personality of the individual.