reference:
Sri Aurobindo and the Mother, Our Many Selves: Practical Yogic Psychology, Chapter 2, Planes and Parts of the Being, pp. 76-77
This episode is also available as a blog post at https://sriaurobindostudies.wordpress.com/2023/09/13/the-nature-and-action-of-the-overmind-gradation-of-consciousness/
