Quotes in management
People who can't understand numbers are useless. The gemba where numbers are not visible is also bad. However, people who only look at the numbers are the worst of all.
When you see data, doubt [them]! When you see measurements, doubt them!
Once you get some data it does away with a lot of arguments and people can work as a team going after the biggest problems.
No one can measure the loss of business that may arise from a defective item that goes out to a customer.
Quality, productivity, and innovation can be significantly increased if companies provide all employees with practical tools for exploiting potential information.
It is always easier - and usually far more effective - to focus on changing your behavior than on changing the behavior of others.
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
A tightrope over a chasm is fine for a trained acrobat with a balancing pole. It is foolish for someone without the right training or tools. They would be better served with something else - a rope bridge with railings.