Laws and principles Bike shedding (or the Law of Triviality)Conway’s lawCurly’s lawGall’s lawGoodhart’s lawHock principleKISS principleLaw of DemeterLaws of software evolutionLeaky abstractionsMetcalfe’s lawNinety-ninety rulePareto principleParkinson’s lawPostel’s lawProject paradoxSemantic diffusionTesler’s law