The Moral Is That It Is Necssary

We Should Be Guided By Theory, Not By Numbers.

The Most Important Things Cannot Be Measured.

The Only Useful Function Of A Statistician Is To Make Predictions, And Thus To Provide A Basis For Action.

It Is Management's Job To Direct The Efforts Of All Components Toward The Aim Of The System. The First Step Is Clarification: Everyone In The Organization Must Understand The Aim Of The System, And How To Direct His Efforts Toward It. Everyone Must Understand The Damage And Loss To The Whole Organization From A Team That Seeks To Become A Selfish, Independent, Profit Center.

A Manager Of People Knows That In This Stable State It Is Distracting To Tell The Worker About A Mistake.