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.
Hanumān answers the sages about the "secret of Rāma": mantras from one syllable to thirty-two, a diagram for worship, a code for living, and an examination of the name. In the middle of the list stands the main point: "what use are many mantras? — Śrī Rāma is my refuge."