The 7 Habits of Highly Effective People: Revised and Updated 30th Anniversary Edition: by Stephen Covey.

Stephen Covey once said, “To achieve goals you’ve never achieved before, you need to start doing things you’ve never done before.” In his book The 7 Habits of Highly Effective People, Covey provides new ways of doing things for new achievements. This book is one of the best-known resource for leaders, and it outlines 7 habits: be proactive, begin with the end in mind, put first things first, private victory to public victory, think win-win, seek first to understand, then to be understood, synergize, and sharpen the saw.