Quotes in problem solving
the lean manager believes that problem solving is about experimentation by means of plan-do-check-act.
A problem never exists in isolation; it is surrounded by other problems in space and time. The more of the context of a problem that a scientist can comprehend, the greater are his chances of finding a truly adequate solution.
Since all models are wrong the scientist must be alert to what is importantly wrong. It is inappropriate to be concerned about mice when there are tigers abroad.
In a system the best way to treat a problem is seldom where the problem appears, because of the interactions of the parts.
Putting out fires is not improvement of the process. Neither is discovery and removal of a special cause detected by a point out of control. This only puts the process back to where it should have been in the first place.
When we have a fact-based worldview, we can see that the world is not as bad as it seems - and we can see what we have to do to keep making it better.
I have yet to see any problem, however complicated, which, when you looked at it in the right way, did not become still more complicated.
There is no greater mistake than to try to leap an abyss in two jumps.
The squeaking wheel doesn't always get the grease. Sometimes it gets replaced.