Stephen Covey Quotes about Greatness
Stephen R. Covey (2004). “The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change”, p.10, Simon and Schuster
Stephen R. Covey (1994). “Daily Reflections for Highly Effective People: Living THE SEVEN HABITS OF HIGHLY SUCCESSFUL PEOPLE Every Day”, p.85, Simon and Schuster