Managers who don't know how to measure what they want settle for wanting what they can measure.
It is far better to do the right thing wrong than to do the wrong thing right.
In systems thinking, increases in understanding are believed to be obtainable by expanding the systems to be understood, not by reducing them to their elements. Understanding proceeds from the whole to its parts, not from the parts to the whole as knowledge does.
No problem stays solved in a dynamic environment.
The future is better dealt with using assumptions than forecasts.
So much time is currently spent in worrying about the future that the present is allowed to go to hell.