Related:

• If you rap your knuckles against a window jamb or doo
  if you brush your leg against a bed or desk, if you catch your foot in a curled- up corner of a rug, or strike a toe against a desk or chair, go back and repeat the sequence....
• TTITT: Turn 2400 foot Tape Into Two 1200 foot Tape
• A bug in the code is worth two in the documentation.
• A ferret in the trousers is worth two in the bush.
• An idle mind is worth two in the bush.
• A bird in the hand is worth two in the bush
• One today is worth two tomorrows.