In God we trust; all others bring data.

Knowledge is theory. We should be thankful if action of management is based on theory. Knowledge has temporal spread. Information is not knowledge. The world is drowning in information but is slow in acquisition of knowledge. There is no substitute for knowledge.

A system is a network of interdependent components that work together to try to accomplish the aim of the system. A system must have an aim. Without the aim, there is no system.

The biggest cost of poor quality is when your customer buys it from someone else because they didn't like yours.

We must satisfy our customers.

Survival is optional. No one has to change.

Management's job is to optimize the whole system.