The Wisdom of the Overself took up again the heavy task which was left unfinished in The Hidden Teaching Beyond Yoga, whose pages carried its reader into the strange difficult territory of mentalism and left him there as in a flinty wilderness, for the promised land of the sublime Overself still lay too far off to be discerned with the naked eye. Now, if he wished, it became possible for him to resume the mental journey and even carry it through to completion. The trail which others had cut for him would give right direction--no small gain in an enterprise which is indeed the protracted labour of a lifetime. This said, he is still likely to have hard going. The kingdom of heaven is not so easy to find as old creeds and modern cults imply by their glib tones of familiarity. Oh yes, they can lead him into their particular conception of it, their imaginary construction of it, but not into the reality itself.
-- Notebooks Category 12: Reflections > Chapter 5: The Literary Work > # 213