The most important things cannot be measured.
You must have a supplier relationship of constant improvement.
Hard work and best efforts will not by themselves dig us out of the pit.
I think that people here expect miracles. American management thinks that they can just copy from Japan - but they don't know what to copy!
We should be guided by theory, not by numbers.
A system is a network of interdependent components that work together to try to accomplish the aim of the system. A system must have an aim. Without the aim, there is no system.