過份強調正向思維的膠誤

'But what happens when we attempt to shortcut a natural process in our growth and development? If you are only an average tennis player but decide to play at a higher level in order to make a better impression, what will result? Would positive thinking alone enable you to compete effectively against a professional?'
Covey, Stephen R. 2004. Seven Habits Of Highly Effective People. New York: Simon & Schuster, Inc.