Amara’s Law: “We tend to overestimate the effect of a technology in the short run and underestimate the effect in the long run.”
Benford’s law of controversy: “Passion is inversely proportional to the amount of real information available.”
Betteridge’s law of headlines: “Any headline that ends in a question mark can be answered by the word no.”
Chekhov’s gun: All nonessential elements of a story must be removed.
Goodhart’s law: “When a measure becomes a target, it ceases to be a good measure.”
Hitchens’s razor: The burden of evidence in a debate rests on the claim maker, and that the opponent can dismiss the claim if this burden is not met: “That which can be asserted without evidence can be dismissed without evidence.”
Metcalfe’s law: “The value of a system grows as approximately the square of the number of users of the system.”
Occam’s razor: Explanations should never multiply causes without necessity; when two or more explanations are offered for a phenomenon, the simplest full explanation is preferable. (“Entia non sunt multiplicanda praeter necessitatem.”)
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.” Corollary: “Expenditure rises to meet income.”
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: “In a hierarchy, every employee tends to rise to his level of incompetence.”