reference: Sri Aurobindo and the Mother, Our Many Selves: Practical Yogic Psychology, Chapter 2, Planes and Parts of the Being, pp. 81-82 This episode is also available as a blog post at https://sriaurobindostudies.wordpress.com/2023/09/17/the-self-of-the-physical-the-vital-the-mental-and-the-jivatman/