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Betteridge's Law of Headlines Any headline which ends in a question mark can be answered by the word 'no'.
Brooks' Law Adding manpower to a late software project makes it later.
Clarke's Third Law Any sufficiently advanced technology is indistinguishable from magic.
Cunningham's Law The best way to get the right answer on the Internet is not to ask a question, it’s to post the wrong answer.
Doctorow's Law Anytime someone puts a lock on something you own, against your wishes, and doesn't give you the key, they're not doing it for your benefit.
Finagle's Law (related to Murphy's Law) Anything that can go wrong, will – at the worst possible time.
Gall's Law A complex system that works is invariably found to have evolved from a simple system that worked.
Godwin's Law As an online discussion grows longer, the probability of a comparison involving Nazis or Hitler approaches one.
Hanlon's Razor Never attribute to malice that which can be adequately explained by stupidity.
Herblock's Law If it's good, they'll stop making it.
Hofstadter's Law It always takes longer than you expect, even when you take into account Hofstadter's Law.
Murphy's Law Anything that can go wrong will go wrong.
Entia non sunt multiplicanda praeter necessitatem. (Explanations should never multiply causes without necessity.) When two or more explanations are offered for a phenomenon, the simplest full explanation is preferable.
Pareto Principle For many phenomena 80% of consequences stem from 20% of the causes.
Parkinson's Law Work expands to fill the time available for its completion.
Parkinson's Law of Triviality The time spent on any agenda item will be in inverse proportion to the sum of money involved.
Peter Principle Managers rise to their level of incompetence.
Shirky Principle Institutions will try to preserve the problem to which they are the solution.
Streisand Effect The phenomenon whereby an attempt to hide, remove, or censor a piece of information has the unintended consequence of publicizing the information more widely, usually facilitated by the Internet.
Sturgeon's Law (Sturgeon's Revelation) Ninety percent of everything is crap.
Zawinski's Law Every program attempts to expand until it can read mail. Those programs which cannot expand are replaced by ones which can.