In 1989, Stephen R. Covey penned The 7 Habits of Highly Effective People, a book that went on to sell millions of copies worldwide and defined a new genre bridging self-improvement, business management, and personal productivity. Last week, Covey passed away at the age of 79. Maria Popova of Brain Pickings takes a look back at his legacy with some of the keenest insights from his beloved bestseller:
