The Rational, Idealistic Type:
Principled, Purposeful, Self-Controlled, and Perfectionistic
Basic Fear: Of being "bad," defective, evil, corrupt
Basic Desire: To be good, virtuous, in balance--to have integrity
Superego Message: "You are good or okay if you do what is right."
Direction of Disintegration: Enneagram Type 4
Methodical Ones suddenly become moody and irrational at Four.
Direction of Integration: Enneagram Type 7
Angry, critical Ones become more spontaneous and joyful, like healthy Sevens.
Source: The Wisdom of the Enneagram
Enneagram Type 1 by Russ Hudson
A brief explanation of Enneagram type 1.