Dernière mise à jour de cette page : 22/10/2000

A Selection of Murphy's Laws

Note:Les lois de Murphy sont innombrables, je n'en donne ici qu'une petite selection. Pour en trouver d'autres, il ne faut pas hésiter à utiliser par exemple le moteur de recherche Google.(exemple : "lois Murphy" ou Murphy laws")
  • If anything can go wrong it will.

  • Nothing is as easy as it looks.

  • Everything takes longer than you think.

  • Every solution breeds new problems.

  • Once a job is fouled up, anything done to improve it only makes it worse.

  • Sooner or later the worst possible set of circumstances is bound to occur.

  • Any wire cut to lenght will be too short.

  • Other people's tools work only in other people's gardens.

  • MURPHY'S LAW:
    If anything can go wrong, it will.
    Corollaries:
    1. Nothing is as easy as it looks.
    2. Everything takes longer than you think.
    3. Left to themseleves,things tend to go from bad to worse.
    4. Every solution breeds new problems.
    5. It is impossible to make anything foolproof because fools are so ingenious.


  • FINAGLE'S FOURTH LAW:
    Once a job is fouled up, anything done to improve it only makes it worse.

  • SODD'S SECOND LAW
    Sooner or later, the worst set of circumstances is bound to occur.
    Corollary:
    Any system must be designed to withstand the worst possible set of circumstances.

  • MURPHY'S LAW OF THERMODYNAMICS
    Things get worse under pressure.

  • LAWS OF GARDENING
    1. Other peoples's tools work only in other people's gardens.
    2. If nobody uses it,there's a reason.

  • SHAW'S PRINCIPLE:
    Build a system that even a fool can use, and only a fool will want to use it.

  • SATTINGERS'S LAW:
    It works better if you plug it in.

  • CAHN'S AXIOM:
    When all else fails,read the instructions.

  • PEERS'S LAW:
    The solution to a problem changes the anture of the problem.

  • MESKIMEN'S LAW:
    There's never time to do it right, but there's always time to do it over.

  • THE ARMY AXIOM:
    Any order that can be misunderstood has been misunderstood.

  • WORKERS'S DILEMMA:
    1. No matter how much you do, you'll never do enough.
    2. What you don't do is always more important than what you do.


  • LORD FALKLAND'S RULE
    When it is not necessary to make a decision,it is necessary not to make a decision.

  • PATTON'S LAW:
    A good plan today is better than a pefect plan tomorrow.

  • LAW OF SUPERIORITY:
    The first example of superior principle is always inferior to the developed example of inferior principle.

  • THE ULTIMATE PRINCIPLE:
    By definition, when you are investigating the unknown you do not know what you will find.

  • In a few minutes a computer can make a mistake so great that it would take many men many months to equal it. (Merle L. Meacham)

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