---
type: Reference
title: "Bṛhadāraṇyaka Upaniṣad"
description: "The oldest and largest Upaniṣad; source of 'neti, neti' and core teachings on Ātman and transmigration."
tags:
  - primary-source
  - Upanishad
  - shruti
darshana:
  - Vedānta
timestamp: "2026-06-24"
okf_version: "0.2"
---

# Bṛhadāraṇyaka Upaniṣad

## What It Is

Among the oldest and longest of the Upaniṣads, part of the Śukla Yajurveda. It contains foundational dialogues (Yājñavalkya) on the Self, the method of negation 'neti neti,' and the mechanics of rebirth.

## Why It Matters Here

Cited for Ātman, Karma, and Saṃsāra.
