Mandukya Upanishad
माण्डूक्य उपनिषद्
Type
Shruti
Date
800–500 BCE
Author
revealed/anonymous
Structure
12 prose mantras (verses), associated with the Atharvaveda
Language
Sanskrit
Core Teaching
The Mandukya Upanishad reveals that the sacred syllable Om (Aum) encompasses all of reality and is identical with Brahman and Atman. It systematically analyzes four states of consciousness: waking (Vaishvanara), dreaming (Taijasa), deep sleep (Prajna), and the transcendent fourth state called Turiya. Each of the three sounds of Aum—A, U, and M—corresponds to the first three states, while the silence following Om represents Turiya, pure non-dual awareness. Turiya is described not through positive attributes but through a series of negations, indicating it transcends all categories of thought and perception. The Upanishad teaches that realizing Turiya as one's true Self is the ultimate goal, liberating one from the illusion of multiplicity and revealing the non-dual nature of all existence.
Key Verses
ओमित्येतदक्षरमिदं सर्वं तस्योपव्याख्यानं भूतं भवद्भविष्यदिति सर्वमोङ्कार एव। यच्चान्यत् त्रिकालातीतं तदप्योङ्कार एव॥
om ity etad akṣaram idaṃ sarvaṃ tasyopavyākhyānaṃ bhūtaṃ bhavad bhaviṣyad iti sarvam oṃkāra eva. yac cānyat trikālātītaṃ tad apy oṃkāra eva.
Om—this syllable is all this. All that is past, present, and future is truly Om. And whatever else there is beyond the three times, that too is truly Om.
This opening mantra establishes the all-encompassing nature of Om. It declares that the sacred syllable is not merely a sound but the very essence of all existence across all time. Even that which transcends time itself is Om, making it the ultimate symbol of totality and Brahman.
सर्वं ह्येतद् ब्रह्मायमात्मा ब्रह्म सोऽयमात्मा चतुष्पात्॥
sarvaṃ hy etad brahmāyam ātmā brahma so'yam ātmā catuṣpāt.
All this is indeed Brahman. This Self (Atman) is Brahman. This same Atman has four quarters (pādas).
This pivotal mantra declares the identity of Atman and Brahman, the central teaching of Advaita Vedanta. It introduces the framework of four 'quarters' or states of the Self—waking, dreaming, deep sleep, and Turiya—through which the Upanishad will systematically reveal the nature of consciousness. The word 'catuṣpāt' (four-quartered) structures the entire text.
नान्तःप्रज्ञं न बहिष्प्रज्ञं नोभयतःप्रज्ञं न प्रज्ञानघनं न प्रज्ञं नाप्रज्ञम्। अदृष्टमव्यवहार्यमग्राह्यमलक्षणमचिन्त्यमव्यपदेश्यमेकात्मप्रत्ययसारं प्रपञ्चोपशमं शान्तं शिवमद्वैतं चतुर्थं मन्यन्ते स आत्मा स विज्ञेयः॥
nāntaḥprajñaṃ na bahiṣprajñaṃ nobhayataḥprajñaṃ na prajñānaghanaṃ na prajñaṃ nāprajñam. adṛṣṭam avyavahāryam agrāhyam alakṣaṇam acintyam avyapadeśyam ekātmapratyayasāraṃ prapañcopaśamaṃ śāntaṃ śivam advaitaṃ caturthaṃ manyante sa ātmā sa vijñeyaḥ.
They consider the fourth (Turiya) to be that which is not conscious of the inner world, nor conscious of the outer world, nor conscious of both, nor a mass of consciousness, nor conscious, nor unconscious. It is unseen, beyond empirical dealings, ungraspable, without characteristics, unthinkable, indescribable, whose essence is the experience of its own Self, in which all phenomena cease, which is peaceful, auspicious, and non-dual. That is the Atman; that is to be known.
This is the most celebrated mantra of the Mandukya Upanishad, describing Turiya entirely through negation (neti neti). By denying every possible attribute and category, it points to a reality that lies beyond the reach of mind and language. Turiya is not a fourth state added to the other three but the ever-present ground of pure awareness in which waking, dreaming, and deep sleep arise and dissolve.
Why It Matters
The Mandukya Upanishad holds a unique and exalted position in Hindu philosophy despite being the shortest of the principal Upanishads with only twelve mantras. The Muktika Upanishad famously declares that if liberation through knowledge of the Self could be achieved by studying a single Upanishad, it would be the Mandukya. Its significance lies in its remarkably systematic analysis of consciousness itself—an inquiry that resonates deeply with modern seekers exploring the nature of mind, awareness, and reality. By mapping the three sounds of Om to waking, dreaming, and deep sleep states, and then pointing to the silent Turiya beyond them, it offers both a practical meditative framework and a profound philosophical vision. Gaudapada's Karika, the earliest surviving systematic commentary, built upon this Upanishad to establish the foundations of Advaita Vedanta, which Shankaracharya later developed into one of India's most influential philosophical schools. For contemporary practitioners, the Mandukya provides a direct method of self-inquiry: by examining one's own experience across all states of consciousness, one can recognize the unchanging awareness that underlies them all. Its teachings on non-duality continue to inspire dialogue between Eastern contemplative traditions and Western consciousness studies, making it as relevant today as when it was first revealed.
Recommended Level
Level 4
Est. reading: 30–45 minutes (12 mantras with contemplation; 3–4 hours with Gaudapada's Karika)
Recommended Translation
Swami Nikhilananda — 'Mandukya Upanishad with Gaudapada's Karika and Shankara's Commentary' (Advaita Ashrama). Provides the Upanishad alongside Gaudapada's philosophical elaboration and Shankara's commentary, giving the fullest traditional context.