reference: Sri Aurobindo and the Mother, Our Many Selves: Practical Yogic Psychology, Chapter 2, Planes and Parts of the Being, pp. 102-103 This episode is also available as a blog post at https://sriaurobindostudies.wordpress.com/2023/10/10/the-surface-vital-mental-and-physical-being-and-the-true-vital-mental-and-physical-being/