The late Dr. W. Edwards Deming has articulated a subject area independent system for improving ourselves and the organizations we work in. I hope you find the following brief description of the four pillars of Deming's System of Profound Knowledge excellent food for thought. Management's role is to strive toward optimization of the enterprise as a whole. Variation is always present.
Prediction is based on knowledge.
Knowledge is built on theory. Experience without theory teaches nothing. So concentrate on understanding the system and how you might adjust it to make your or any organization operate more happily and productively. Think about the last pleasant experience you had in an organization.