- If it ain't broke, don't fix it.
- If it is broke:
- Turn it off and turn it back on.
- If that does not fix it, unplug it and plug it back in.
- If that does not fix it, take it apart and put it back together.
- If it is still broken, don't mess with it any more.
For a more complex view of the world, see this image on the use of WD40 and Duct Tape.