Because the ultimate issue lies with the grace of the Overself, the aspirant is not to prejudge the results of his Quest. He is to let them take care of themselves. This has one benefit, that it saves him from falling into the extremes of undue discouragement on the one hand and undue elation on the other. It tells him that even though he may not be able, in this incarnation, to attain the goal of union with the Overself by destroying the ego, he can certainly make some progress towards his goal by weakening the ego. Such a weakening does not depend upon grace; it is perfectly within the bounds of his own competence, his own capacity.
-- Perspectives > Chapter 2: Practices for the Quest > # 42