Best efforts are essential. Unfortunately, best efforts, people charging this way and that way without guidance of principles, can do a lot of damage.
How can she put forth her best efforts when no matter how carefully she works, the item will still be defective? If no one cares, why should she? In contrast, when defects are rare or nonexistent or well explained, she understands that the management are accepting their proper responsibility, and she feels an obligation to put forth her best efforts: they are now effective.
Every system is perfectly designed to get the results it gets.
our system of make-and-inspect, which if applied to making toast would be expressed: “You burn, I’ll scrape.”
Inspection does not improve the quality, nor guarantee quality. Inspection is too late. The quality, good or bad, is already in the product. As Harold F. Dodge said, “You can not inspect quality into a product.”
The System of Profound Knowledge provides a lens. It provides a new map of theory by which to understand and optimize that we work in, and thus to make a contribution to the whole country.
We cannot rely on mass inspection to improve quality, though there are times when 100 percent inspection is necessary. As Harold S. Dodge said many years ago, ‘You cannot inspect quality into a product.’ The quality is there or it isn’t by the time it’s inspected.
Standardization does not mean that we all wear the same color and weave of cloth, eat standard sandwiches, or live in standard rooms with standard furnishings. Homes of infinite variety of design are built with a few types of bricks, and with lumber of standard sizes, and with water and heating pipes and fittings of standard dimensions.