Stephen Covey Quotes about Positive Thinking
Stephen R. Covey (2016). “The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change Interactive Edition”, p.106, Mango Media Inc.
As long as you think the problem is out there, that very thought is the problem
Stephen R. Covey (2013). “The 8th Habit: From Effectiveness to Greatness”, p.128, Simon and Schuster