1) ethical training;
2) development of concentration;
3) emotional transformation;
4) a redirection of motivation from egocentric, deficiency-based needs to higher motives, such as self-transcendence;
5) refinement of awareness; and
6) the cultivation of wisdom."
Walsh R, Vaughan F eds. Paths beyond ego. The transpersonal vision. Penguin Putnam Inc, NY, 1993.