Discipline, it has been suggested, is the means of human spiritual evolution. What provides the motive, the energy for discipline? This force I believe to be love. I define love thus: The will to extend one's self for the purpose of nurturing one's own or another's spiritual growth.
M. Scott Peck (2002). “The Road Less Traveled, 25th Anniversary Edition: A New Psychology of Love, Traditional Values, and Spiritual Growth”, p.81, Simon and Schuster
