Quotes by W. Edwards Deming

It is extension of application that discloses inadequacy of a theory, and need for revision, or even new theory. Again, without theory, there is nothing to revise. Without theory, experience has no meaning. Without theory, one has no questions to ask. Hence without theory, there is no learning.


A company could put a top man at every position and be swallowed by a competitor with people only half as good, but who are working together.


To manage one must lead. To lead, one must understand the work that he and his people are responsible for.


he that would run his company on visible figures alone will in time have neither company nor figures.


The first step is transformation of the individual. This transformation is discontinuous. It comes from understanding of the system of profound knowledge.The individual, transformed, will perceive new meaning to his life, to events, to numbers, to interactions between people. Once the individual understands the system of profound knowledge, he will apply its principles in every kind of relationship with other people. He will have a basis for judgment of his own decisions and for transformation of the organizations that he belongs to.


This may be the world's most underdeveloped nation. We're number 1.


no one can guess the future loss of business from a dissatisfied customer. The cost to replace a defective item on the production line is fairly easy to estimate, but the cost of a defective item that goes out to a customer defies measure.


There is no such thing as arrival exactly on time. In fact, exactly on time can not be defined.


Does experience help? No! Not if we are doing the wrong things.


If you change the rule for counting people, you come up with a new number.