Sevareid's Law: The chief cause of problems is solutions.

If at first you don't succeed, try something else.

Kitman's Law:  Pure drivel tends to drive away ordinary drivel.

Sattinger's Law: It works better if you plug it in.

Osborn's Law: Variables won't; constants aren't.

The Law of Selective Gravity (The Buttered Side Down Law):
  An object will fall so as to do the most damage.

Interchangable devices won't.

In case of doubt, make it sound convincing.

Zymurgy's First Law of Evolving System Dynamics:
  Once you open a can of worms, the only way to recan them is to use a
  larger can.

Anthony's Law of Force:
  Don't force it, get a larger hammer.

Any given program, once running, is obsolete.

If a program is useful, it will have to be changed.
If a program is useless, it will have to be documented.

A Smith and Wesson beats four aces.

You can lead a horse to water, but if you can get
him to float on his back you've got something.

If at first you don't succeed, transform your data set.

How sharper than a serpent's tooth it is to have a thankless hound.

Westheimer's Time Estimation Rule:
  Estimate the time you think it should take, multiply by 2,
  and add 3, indpendent of the units of time.

A thing not worth doing isn't worth doing well.

Bye's First Law of Model Railroading:
  Anytime you wish to demonstrate something, the number of
  faults encountered is proportional to the number of viewers.