When we say that the Overself is within the heart, it would be a great error to think that we mean it is limited to the heart. For the heart is also within it. This seeming paradox will yield to reflection and intuition. The mysterious relationship between the ego and the Overself has been expressed by Jesus in the following words: "The Father is in the Son, and the Son is in the Father."
-- Notebooks Category 22: Inspiration and the Overself > Chapter 3: The Overself's Presence > # 393