The Upaniṣads — the philosophical core of the Vedic tradition, revealing the nature of Brahman, the Ātman, knowledge, action and liberation. The ten principal Upaniṣads together with select minor Vaiṣṇava Upaniṣads.
1Chapter 1 — Катхарудра-упанишада54 versesThe rite of renunciation step by step: what the one departing says, what he gives to his son, which mantras he recites, and how he lives afterward. One of the few books where the rite is recorded in full.