Parkinson's law Parkinson's law Parkinson's law is the adage that "work expands so as to fill the time available for its completion". It is sometimes applied to the growth of bureaucracy in an organization. This law is likely derived from ideal gas law, whereby a gas expands to fit the volume allotted. Articulated by Cyril Northcote Parkinson as part of the first sentence of an essay published in "The Economist" in 1955 and since republished online, it was reprinted with other essays in the book "Parkinson's Law: The Pursuit of Progress" (London, John Murray, 1958). He derived the dictum from his extensive
Possession is nine-tenths of the law Possession is nine-tenths of the law Possession is nine-tenths of the law is an expression meaning that ownership is easier to maintain if one has possession of something, or difficult to enforce if one does not. The expression is also stated as "possession is nine points of the law", which is credited as derived from the Scottish expression "possession is eleven points in the law, and they say there are but twelve." Although the principle is an oversimplification, it can be restated as: "In a property dispute (whether real or personal), in the absence of clear and compelling testimony or