The little trouble in the world that is not due to love is due to friendship.

Related:

• Anxiety is interest paid on trouble before it is due.
  Dean...
• No woman ever falls in love with a man unless she has
  a better opinion of him than he deserves. --Ed...
• Due to a lack of trained trumpeteers,
  the end of the world has been postponed indefinately...
• The late start is due to
  the time...
• Internet shut down
  due to...
• Apathy Society cancelled due to no
  shows...
• It isn't homework unless it's due
  tomorrow...
• Surprise due today.
  Also the rent...
• Tagline dropped due to
  budget cuts...