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.
Russell L. AckoffEvery problem interacts with other problems and is therefore part of a set of interrelated problems, a system of problems. I choose to call such a system a mess.
Russell L. AckoffFor me there has never been an amount of money that makes it worth doing something that is not fun.
Russell L. AckoffManagers who don't know how to measure what they want settle for wanting what they can measure.
Russell L. Ackoff