Alex, the goal is not to reduce operational expense by itself. The goal is not to improve one measurement in isolation. The goal is to reduce operati… - Eliyahu M. Goldratt

The more complicated the situation seems to be, the simpler solution must be. .. People believe that reality is complex, and therefore they are looking for sophisticated explanations for complicated solutions. .. Reality it is actually simple.

Flow means that inventories in the operation are moving. When inventory is not moving, inventory accumulates. Accumulation of inventory takes up space. Therefore, an intuitive way to achieve better flow is to limit the space allowed for inventory to accumulate. To achieve better flow, Ford limited the space allotted for work-in-process between each two work centers.

More importantly, our software worked. I don't just mean that it didn't bump, or that it performed according to the written specifications, or that it was efficient in producing reports. It really worked