one of the oldest Major Upaniṣads, it was commented by Ādi Śaṅkarācārya (788-820). She speaks of knowledge, Yoga, the individual soul and the death… The doctrines are exposed within a relationship between a student and her guru.
Kaṭha Upaniṣad
one of the oldest Major Upaniṣads, it was commented by Ādi Śaṅkarācārya (788-820).