There are four purposes of improvement: easier, better, faster, and cheaper. These four goals appear in the order of priority.

It's only the last turn of a bolt that tightens it - the rest is just movement.

Lean is a way of thinking- not a list of things to do

The best approach is to dig out and eliminate problems where they were assumed not to exist.

Unless you change direction, you will end up where you are headed.

The most dangerous kind of waste is the waste we do not recognize.

Improvement usually means doing something that we have never done before.