reference:
Sri Aurobindo and the Mother, Our Many Selves: Practical Yogic Psychology, Chapter 2, Planes and Parts of the Being, pp. 94-95
This episode is also available as a blog post at https://sriaurobindostudies.wordpress.com/2023/10/02/the-psychic-being-and-the-evolutionary-principle-in-earthly-life/
