"The tragedy of the modern individual is that he is too much himself and not enough of the world."

"The metropolis exacts from man a different kind of consciousness than does rural life."

"The modern individual lives in a constant tension between freedom and necessity."

"The deeper one goes into the individual, the more one finds society."

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