“It is when the feet weary and hope seems vain that the heartaches and the longings arise. Know, then, that for you is neither surfeit nor content. In your rocking chair, by your window dreaming, shall you long, alone. In your rocking-chair, by your window, shall you dream such happiness as you may never feel.”

A. Identify the author and the work.

B. What does the rocking-chair symbolize？