The 21 Most Powerful Minutes In A Leadersday: Revitalize Your Spirit and Empower Your LeadershipThe 21 Most Powerful Minutes In A Leadersday While a few people appear to be born leaders, the ability to lead is actually a collection of skills, nearly all of which can be learned and sharpened. Based on his New York Times bestseller The 21 Irrefutable Laws of Leadership, author John C. Maxwell presents a daily plan to help you grow as a leader in your personal, professional, and spiritual life.