You do not install quality; you begin to work at it.
You can see from a flow diagram who depends on you and whom you can depend on. You can now take joy in your work.
People need to know how their job contributes.
A rational prediction has an explanation based on theory.
When a system is stable, telling the worker about mistakes is only tampering.
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.