“Beliefs, behaviors, assumptions, and attitudes do not change through study, conferences, seminars, and training classes; they change through repeated action. This is not dissimilar to breaking unhealthy habits such as smoking or overeating. The consistently repeated lean actions and restraint from doing old non-lean things are undoubtedly ‘painful’ in the beginning” (source: The Kaizen Event Fieldbook by Hamel pages 61-62)