“If we’re willing to invest some time in learning the Enneagram system, it yields much useful information about the 27 possible kinds of personality styles. This helpful data can support those who are motivated to know themselves to understand who they are and what makes them tick at a deeper level. Of course, we are much more than our personality, but knowing the shape and tendencies of our ego patterns makes it easier to separate our defensive habits from all the rest of who we really are—and who we can be if we work at it.
But I believe what sets the Enneagram apart from other such personal growth maps, or typologies, is the specificity and depth with which it does one thing in particular: it shines a light on the shadow self of the personality it describes…” (From here).
~ Beatrice Chestnut, author of the very good The Complete Enneagram: 27 Paths to Greater Self-Knowledge (Paperback– July 31, 2013).
The enneagram is a tool that I've personally found very helpful for me; one of a number of ways of gaining insight into ones temperament; ones shadow, and ones way of being in the world, of relating to self, and to others. But, as Basil Pennington has pointed out, while being cogniscent of the value of psychology etc we need to remain mindful of “…not turning the journey toward full Christness into a therapeutic process… What we are called to as men and women baptized into Christ is far beyond this and in God’s mysterious design sometimes gained at great human cost…”