Quotes in management
Defects are not free. Somebody makes them, and gets paid for making them.
Best efforts are essential. Unfortunately, best efforts, people charging this way and that way without guidance of principles, can do a lot of damage.
A good question for anybody in business to ask is What business are we in? To do well what we are doing-i.e., to turn out a good product, or good service, whatever it be? Yes, of course, but this is not enough. We must keep asking - What product or service would help our customers more? We must think about the future. What will we be making 5 years from now? 10 years from now?
management by numerical goal is an attempt to manage without knowledge of what to do, and in fact is usually management by fear.
Management of a system requires knowledge of the interrelationships between all of the components within the system and of everybody that works in it.