I should estimate that in my experience most troubles and most possibilities for improvement add up to the proportions something like this: 94% belongs to the system responsibility of management 6% special
W. Edwards DemingEliminate slogans, exhortations, and targets for the work force asking for zero defects and new levels of productivity. Such exhortations only create adversarial relationships, as the bulk of the causes of low quality and low productivity belong to the system and thus lie beyond the power of the work force
W. Edwards DemingIt is wrong to suppose that if you canโt measure it, you canโt manage it โ a costly myth
W. Edwards Deming