Dr. Deming included many quotes from others in his books. Some of these quotes are seen attributed to him, when in fact, he attributed the quotes to others.
The quotes fit well with Deming’s ideas, which is why he included them in his books or quoted them in seminars and videos. So the quotes are useful highlights to his ideas, but they should be attributed correctly.
Hopes without a method to achieve them will remain mere hopes
Lloyd S. Nelson (Out of the Crisis, page 19 – it seems to me Dr. Deming is quoting Lloyd Nelson for this text though I am not 100% sure, you view the context for yourself)
You can not inspect quality into a product.
Harold S. Dodge (Out of the Crisis, page 29)
the most important figures that one needs for management are unknown or unknowable
Lloyd S. Nelson, director of statistical methods for the Nashua corporation (Out of the Crisis, page 121). See blog post: Unknown and Unknowable Data
Training for a job must teach the customer’s needs
William W. Scherkenbach quoted by Dr. Deming in Out of the Crisis, page 53
Ninety-five per cent of changes made by management today make no improvement. Examples are reorganization, a new computer. (Peter Scholtes, his 7th theorem, so he labeled it, January 1992.)
Peter Scholtes (as seen in the quoted text shown above. Quoted from The New Economics, page 38.
The common objection to seniority pay is, “It’s rewarding dead wood!” My response is, “Why do you hire dead wood? Or why do you hire live wood and kill it?”
management is prediction
“so stated in 1987 by Dr. Michael Tveite”
W. Edwards Deming, The New Economics, page 163