1. The first law of Murphy: If something can be fouled up, it will be fouled up.

2. O'Toole's commentary of the first law of Murphy: Murphy was an optimist

3. The sandwitch axiom of Jennings: The probability that a sandwitch falls on a carpet
    with the butter side down is directly proportional to the price of the carpet

4. the clock paradox: Who has a watch knows the time. Who has two watches is uncertain.

5. The law of discriminating gravitation: Eveything will always fall so that it will
    cause the worst damage possible.

6. 9 out of 10 -rule: the first nine tenths of a job will take one tenth of the time
    and the last one tenth of the job will take nine tenths of the time.

7. The law of negative expectations: If you expect things to go well, things will
    go wrong. If you expect things to go wrong, things will go wrong.

8. Keep your mouth shut -law: Never say anything beforehand - if something good is
    coming to your way, you'll scare it away, if something bad is coming your way
    you'll lure it to you.

9. The golden rule: who has the gold sets the pace

If you thought we would get ten rules you were an utter optimist.