Product quality has almost nothing to do with defects or their lack.
First law of Bad Management: If something isn't working, do more of it.
Computer system analysis is like child-rearing; you can do grievous damage, but you cannot ensure success.
Quality is free, but only to those who are willing to pay heavily for it.
The purpose of a team is not goal attainment but goal alignment.
There are a million ways to lose a work day, but not even a single way to get one back.