It's only the last turn of a bolt that tightens it - the rest is just movement.
Unless you change direction, you will end up where you are headed.
There are four purposes of improvement: easier, better, faster, and cheaper. These four goals appear in the order of priority.
The most dangerous kind of waste is the waste we do not recognize.
We have to grasp not only the Know-How but also 'Know Why', if we want to master the Toyota Production System.
Are you too busy for improvement? Frequently, I am rebuffed by people who say they are too busy and have no time for such activities. I make it a point to respond by telling people, look, you’ll stop being busy either when you die or when the company goes bankrupt.