Related:

• It always happens, but we never expect "the unexpected".
• The unexpected always happens. -- Peter's Law -- Dr. Laurence J. Pete
• If history repeats itself, and the unexpected always happens, how incapable must Man be of learning from experience.
  -- George Bernard Shaw...
• As the dimensions of the tree are not always regulated by the size of the seed
  o the consequences of things are not always proportionate to the apparent magnitude of those events that have produced them....
• Peculiar. Nothing unexpected happens.
• BUST -- an unexpected narc at the door.
• How does one expect the unexpected?
• Trust the unexpected. -- Robert J. Kriegel
• Unexpected error - Huh ? -- WindowError: 013