7:10 Peter Principle: When People Get Promoted Into Maximum Incompetence 6:48 1974: Are YOU at your level of INCOMPETENCE? | The Peter Principle | BBC Archive 2:31 The Peter Principle 5:48 The Peter Principle explained by author Dr Laurence J. Peter 8:41 The simple reason things always go wrong: the Peter Principle 5:09 The Peter Principle and how to avoid it 2:02 The Peter Principle 4:41 Is the Peter Principle Real? - Explaining Difficult Stuff 1:48 The Peter Principle: An Overview 9:58 GOOD TO GREAT by Jim Collins | Core Message