Murphy's Laws of Engineering

Lorenz's Law of Mechanical Repair: After your hands become coated with grease, your nose will

                                                        begin to itch.

Anthony's Law of the Workshop: Any tool, when dropped, will roll to the least accessible corner.

Lowery's Law of Home Repair: If it jams, force it. If it breaks, it needed replacing anyway.

Beach's Law: Interchangeable parts aren't.

William's Law: There is no mechanical problem so difficult that it cannot be solved by brute

                       strength and ignorance.

Lane's Law of Supply and Demand: The one item you need is always in short supply.

Cannon's Karmic Law: 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.

Norman Einstein's Law: If it's stupid but it works, it isn't stupid.

Col. Murphy's Law of Combat: Never forget that your weapon was made by the lowest bidder!

...from the Eureka website