Inspection with the aim of finding the bad ones and throwing them out is too late, ineffective, and costly. Quality comes not from inspection but from improvement of the process.
W. Edwards DemingIt is not enough that top management commit themselves for life to quality and productivity. They must know what it is that they are committed to - that is, what they must do. These obligations cannot be delegated. Support is not enough; action is required.
W. Edwards DemingNo one can measure the loss of business that may arise from a defective item that goes out to a customer.
W. Edwards DemingHe that expects to quantify in dollars the gains that will accrue to a company year by year for a program for improvement of quality expounded in [Out of the Crisis] will suffer delusion. He should know before he starts that he will be able to quantify only a trivial part of the gain.
W. Edwards Deming