reference: Sri Aurobindo and the Mother, Our Many Selves: Practical Yogic Psychology, Chapter 2, Planes and Parts of the Being, pp. 90-91 This episode is also available as a blog post at https://sriaurobindostudies.wordpress.com/2023/09/27/the-action-of-the-psychic-being-independent-of-and-in-relation-to-the-external-being/