Okay, you've heard of Murphy's famous Law: Everything that can go wrong will go wrong. There are many other related Laws, as well. Here are some:

• After your hands become coated with grease, your nose will begin to itch.
  Lorenz's Law of Mechanical Repair
• Identical parts aren't.
  Beach's Law
• Any tool, when dropped, will roll into the least accessible corner.
  Anthony's Law of the Workshop
• Nothing is as inevitable as a mistake whose time has come.
  Tussman's Law
• If it jams, force it. If it breaks, it needed replacing anyway.
  Lowery's Law
• The solution to a problem changes the problem.
  Peer's Law
• There is no mechanical problem so difficult that it cannot be solved by brute strength and ignorance.
  William's Law
• Handy Guide to Modern Science:
  
  If it's green or it wiggles, it's Biology.
  If it stinks, it's Chemistry.
  If it doesn't work, it's Physics.
• Machines should work. People should think.
  IBM's Pollyanna Principle
• The most ineffective workers will be systematically moved to the place where they can do the least damage - management.
  The Dilbert Principle
• The first rule of intelligent tinkering is to save all the parts.
  Ehrlich's Law
• It is a mistake to allow any mechanical object to realize that you are in a hurry.
  Ralph's Observation
• If you tell the boss you were late for work because you had a flat tire, the next morning you will have a flat tire.
  Cannon's Comment
• Thinly sliced cabbage.
  Cole's Law
• Never accept a drink from a urologist, nor a friendly handshake from a proctologist.
  The Law of Common Sense
• Never get into fights with ugly people, they have nothing to lose.
  The Law of Reality
• When putting cheese in a mousetrap, always leave room for the mouse.
  The Law of Avoiding Oversell
• Sometimes you are the dog. Sometimes you are the hydrant.
  Law of Physical Displacement
• Everyone has a right to be stupid. Some just abuse the privilege.
  Legal Rights
• Whatever hits the fan will not be evenly distributed.
  Law of Probable Dispersal
• Be a good housekeeper. When you leave him ... get a good lawyer ...keep his house.
  Law Pertaining to Divorce