There is no knowledge without theory.

Cease dependence on inspection to achieve quality. Eliminate the need for inspection on a mass basis by building quality into the product in the first place.

Eighty percent of American managers cannot answer with any measure of confidence these seemingly simple questions: What is my job? What in it really counts? How well am I doing?

Any manager can do well in an expanding market.

A bad system will beat a good person every time.

A rule should suit the purpose.

We know what we told him, but we don't know what he heard.