Gall’s Law

In 1975 he published his systems research under the title General systemantics, republished two years later as Systemantics: How Systems Work and Especially How They Fail by Quadrangle, The New York Times Book Company. Gall’s Law is a rule of thumb for systems design from Gall’s book Systemantics: How Systems Really Work and How They Fail. [10] Notable were the quotations of Gall’s Law by Grady Booch since 1991,[11] which were mentioned in multiple (a change in typography and underlining indicate that the title is better rendered as “SystemANTICS”) is a commentary on systems theory and general semantics publications by such thinkers as Ludwig von Bertalanffy and Alfred Korzybski.

Source: en.wikipedia.org