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.
W. Edwards DemingExperience by itself teaches nothing... Without theory, experience has no meaning. Without theory, one has no questions to ask. Hence, without theory, there is no learning.
W. Edwards Deming