When you see data, doubt [them]! When you see measurements, doubt them!
Quality control is applicable to any kind of enterprise. In fact, it must be applied in every enterprise.
Failure is the seed of success
As much as 95% of quality related problems in the factory can be solved with seven fundamental quantitative tools.
Quality control starts and ends with training.
In management, the first concern of the company is the happiness of people who are connected with it. If the people do not feel happy and cannot be made happy, that company does not deserve to exist.