Sister Carrie Isolation/Loneliness Quotes

How we cite our quotes: (Chapter.Paragraph)

Quote #10

Know, then, that for you is neither surfeit nor content. In your rocking-chair, by your window dreaming, shall you long, alone. (47.125)

There seems to be some connection implied here between Carrie's endless longing (check out our analysis in the "Characters" section for lots more on this) and her isolation. What might that connection be?