Operational Discipline is an approach to ensure safety and production are achieved through consistent behaviors and organizational pillars. The document discusses the false tension between safety and production, explaining they are actually dependent on the same behaviors. It then defines the seven pillars of Operational Discipline that must work together: Integrity, Level of Knowledge, Questioning Attitude, Formality, Forceful Watch Team Backup. These pillars ensure employees always do the right thing the right way through a shared understanding of why certain approaches are important.