When a system is stable, telling the worker about mistakes is only tampering.
Anybody can achieve gains in quality by slowing down production. That is not what we are talking about.
He 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.
