A manager of people knows that in this stable state it is distracting to tell the worker about a mistake.

Knowledge needs to be a verb.

Management by results - like driving a car by looking in rear view mirror.

Shrink, shrink variation, to reduce the loss.

You do not install quality; you begin to work at it.

The moral is that it is necssary to innovate, to predict the needs of the customers, and give him more. He that innovates and is lucky will take the market.

Nobody should try to use data unless he has collected data.