Experience by itself teaches nothing... Without theory, experience has no meaning. Without theory, one has no questions to ask. Hence, without theory, there is no learning.

There must be consistency in direction.

The ultimate purpose of collecting the data is to provide a basis for action or a recommendation.

You must not run your Organization as a functional hierarchy. You must understand it as a System.

You cannot inspect quality into the product; it is already there.

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.

It is wrong to suppose that if you can’t measure it, you can’t manage it – a costly myth