When an author composes too short a poem,
  it trails off with a lonely feeling
  like looking down at solitude with no friends
  or peering into the vast sky, disconnected.
 One string on a harp is crisp and sweet
  but sings without resonance and harmony.  

Translation by Tony Barnstone and Chou Ping in: The Art of Writing (1996) Boston: Shambhala Publications.