"The essence of friendship is that it is a relationship of equals, but equality is always a precarious balance."

"Just as soon as the lower classes begin to copy their style, thereby crossing the line of demarcation the upper classes have drawn and destroying the uniformity of their coherence, the upper classes t…"

"The metropolis, which is the seat of the money economy, is the place of this highest development of individuality."

"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 …"

"The deepest secret of life is that it has no secret."