What makes a scientist great is the care that he takes in telling you what is wrong with his results, so that you will not misuse them.

I should estimate that in my experience most troubles and most possibilities for improvement add up to the proportions something like this: 94% belongs to the system responsibility of management 6% special

Knowledge is the key.

Nobody should try to use data unless he has collected data.

It is important that an aim never be defined in terms of activity or methods. It must always relate directly to how life is better for everyone. . . . The aim of the system must be clear to everyone in the system. The aim must include plans for the future. The aim is a value judgment.

It's management's job to know.

The system that people work in and the interaction with people may account for 90 or 95 percent of performance.