A rule should suit the purpose.

Does the customer invent new product or service? The customer generates nothing. No customer asked for electric lights. There was gas and gas mantles, which gave good light.

Innovation comes from people who take joy in their work.

You must have a supplier relationship of constant improvement.

When asked what single event was most helpful in developing the Theory of Relativity, Albert Einstein replied, "Figuring out how to think about the problem".

Absence of defects does not necessarily build business... Something more is required.

Anyone that enjoys his work is a pleasure to work with.