For those with an internal locus of control, personal discipline is the great determinant of work-ethic, which, in turn, is the leading predictor of upward mobility.
Here are three ways to increase your discipline, from the author of 'Is Your Thinking Keeping You Poor? 50 Ways the Rich Think Differently.'
Meet bestselling author and Hall of Fame speaker Douglas Kruger at www.DouglasKruger.com.