You must have a supplier relationship of constant improvement.
Let us ask our suppliers to come and help us to solve our problems.
What makes a scientist great is the care that he takes in telling you what is wrong with his results, so that you will not misuse them.
People copy examples and then they wonder what is the trouble. They look at examples and without theory they learn nothing.
Rational behavior requires theory. Reactive behavior requires only reflex action.
Experience by itself teaches nothing.