Without Theory We Can Only Copy.

Uncontrolled Variation Is The Enemy Of Quality.

It Is Not Necessary To Change. Survival Is Not Mandatory.

Defects Are Not Free. Somebody Makes Them, And Gets Paid For Making Them.

Stamping Out Fires Is A Lot Of Fun, But It Is Only Putting Things Back The Way They Were.

Any Two People Have Different Ideas Of What Is Important.