Even when one's deep sincerity and earnest aspiration are beyond question, and even though one may have already travelled fast and far in certain directions, this may not be enough to attain enlightenment. All sides of the psyche--including some previously neglected--must be evenly balanced and developed in order to lead one to a full and lasting illumination of the whole.

-- Notebooks Category 2: Overview of Practicies Involved > Chapter 5: Balance the Psyche > # 164