reference:
Sri Aurobindo and the Mother, Our Many Selves: Practical Yogic Psychology, Chapter 2, Planes and Parts of the Being, pp. 32-33
This episode is also available as a blog post at https://sriaurobindostudies.wordpress.com/2023/07/27/the-vital-nature-and-its-ability-to-withhold-cooperation-and-obstruct-progress-in-spiritual-pursuits/