Related:

• There is a building with four floors. On the first floor, there is a convention of architects.
  On the second floor, there is a vinyl manufacturing plant....
• No one can make you feel more humble than the repairman who discovers you've been trying to fix it yourself.
• His elevator is stuck between floors.
• Did you hear about the couple on the stalled elevator who got off between floors.
• In a three-storey building served by one elevator, nine times out of ten the elevator will be on a floor where you are not.
  -- Dedera's Law...
• Dedera's Law: In a three-story building served by one elevator, nine times out of ten the elevator car will be on a floor where you are not.
• One day, when I came home from work, I accidently put my car key in the door of my apartment building.
  .. I turned it... and the whole building started up....
• As a general rule of thumb, never trust anybody who's been in therapy for more than 15 percent of their life span.
  The words "I am sorry" and "I am wrong" will have totally disappeared from their vocabulary....
• Actually, the probability is 100% that the elevator will be going in the right direction.
  Proof by induction: N=1. Trivialy true, since both you and the elevator only have one floor to go to....