Art inspires, produces an unwillingness to settle for what we have and a desire for something better. It is the product and producer of creative activity, change; it is essential for continuous development.
Russell L. AckoffManagers who don't know how to measure what they want settle for wanting what they can measure.
Russell L. AckoffTo manage a system effectively, you might focus on the interactions of the parts rather than their behavior taken separately.
Russell L. Ackoff