Quality control starts and ends with training.
The ideas of control and improvements are often confused with one another. This is because quality control and quality improvement are inseparable.
When you see data, doubt [them]! When you see measurements, doubt them!
As much as 95% of quality related problems in the factory can be solved with seven fundamental quantitative tools.
Failure is the seed of success
Quality control which cannot show results is not quality control. Let us engage in QC which makes so much money for the company that we do not know what to do with it.