Sod's law, a British culture axiom, states that "if something can go wrong, it will". The law sometimes has a corollary: that the misfortune will happen at "the worst possible time" (Finagle's law). The term is commonly used in the United Kingdom (while in many parts of North America the phrase "Murphy's law" is more popular).[1]

The phrase seems to derive, at least in part, from the colloquialism an "unlucky sod"; a term for someone who has had some bad (unlucky) experience, and is usually used as a sympathetic reference to the person.[2]

A slightly different form of Sod's law states that "the degree of failure is in direct proportion to the effort expended and to the need for success."[3]

An alternative expression, again in British culture, is "hope for the best, expect the worst".[4]

Comparison with Murphy's law

Sod's law is a more extreme version of Murphy's law. While Murphy's law says that anything that can go wrong, will go wrong (eventually), Sod's law requires that it always go wrong with the worst possible outcome or at the worst time. Belief in Sod's law can be viewed as a combination of the law of truly large numbers and the psychological effect of the law of selection. The former says we should expect things to go wrong now and then, and the latter says the exceptional events where something went wrong stand out in memory, but the great number of mundane events where nothing exceptional happened fall into obscurity.[5] Sod’s law is also explained as a form of the natural human negativity bias, the survival trait of being extra alert to negative events.[6]

Examples

Some examples are traffic lights turning red when a driver is in a hurry, or email software crashing at the exact moment the user attempts to send an important message.[5] Sod's law has also been applied to individuals, such as the composer Beethoven losing his hearing or Def Leppard drummer Rick Allen losing an arm in a car crash.[5]

Other examples are dropped bread always landing butter side down, or it raining just after one has washed the car and on the weekend one goes to the beach.[6]

A discrediting example is a coin toss resulting in tails the more strongly that one wishes the result to be heads. Richard Dawkins said that this shows the idea of Sod's law is "nonsense", as the coin is unaware of the person's wish and has no desire to thwart it.[7]

See also

References

  1. ↑ "Murphy's laws origin". The Desert Wings. Murphy's laws site. March 3, 1978.
  2. ↑ Compare what has become the even more common phrase: "lucky sod" - comparative graph of usage frequency.
  3. ↑ Dickson, Paul (1978). The Official Rules. Delacorte Press. ISBN 9780385287432 – via Internet Archive.
  4. ↑ Partridge, Eric (1992). Dictionary of Catch Phrases. Scarborough House. pp. 278. ISBN 9781461660408.
  5. 1 2 3 Hand, David J. (11 February 2014). The Improbability Principle: Why Coincidences, Miracles, and Rare Events Happen Every Day. Farrar, Straus and Giroux. pp. 197–198. ISBN 978-0-374-17534-4.
  6. 1 2 Shephard, Stevie (18 July 2015). "5 Sod's Law Annoyances That Have Scientific Explanations". whatculture.com.
  7. ↑ Dawkins, Richard (2012). The Magic of Reality: How We Know What's Really True. Simon and Schuster. p. 222. ISBN 978-1-4516-9013-2.
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