Errors of omission, lost opportunities, are generally more critical than errors of commission. Organizations fail or decline more frequently because of what they did not do than because of what they did.

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.

Creativity is the ability to identify self-imposed constraints, remove them, and explore the consequences of their removal.

For me there has never been an amount of money that makes it worth doing something that is not fun.

The future is better dealt with using assumptions than forecasts.

Managers are not confronted with problems that are independent of each other, but with dynamic situations that consist of complex systems of changing problems that interact with each other. I call such situations messes. Problems are extracted from messes by analysis. Managers do not solve problems, they manage messes.