So Hum
I Am That
So Hum
I Am That
About This Mantra
So Hum (also written Soham) is the natural mantra of the breath itself. 'So' is the sound of inhalation, 'Hum' the sound of exhalation. The Vedic tradition teaches that every living being is already chanting this mantra unconsciously with every breath -- approximately 21,600 times per day. To practice So Hum consciously is to awaken to what the breath has been saying all along: 'I am That' -- I am the universal consciousness that pervades all existence.
So Hum is the simplest and most direct form of Vedantic self-inquiry. Unlike mantras that invoke a deity or request a blessing, So Hum is a statement of identity. It does not ask to become something; it affirms what already is. The Isha Upanishad's declaration 'Ishavasyam idam sarvam' -- 'all this is pervaded by the divine' -- is the philosophical foundation upon which So Hum rests. The practice is simply to remember this truth with each breath.
Deeper Meaning
'So' derives from 'sah' (That -- referring to Brahman, the absolute reality) and 'Hum' from 'aham' (I). Together: 'I am That.' The reversed form, 'Hamsa,' means 'swan' -- the mythical bird that can separate milk from water, symbolizing the discriminative wisdom that separates the real from the unreal. Both forms are used in meditation. The mantra is a mahavakya (great statement) in condensed form, equivalent to the Upanishadic declarations 'Tat Tvam Asi' (Thou Art That) and 'Aham Brahmasmi' (I Am Brahman).
Pronunciation Guide
Soh Hum (rhymes with 'so' and 'whom'). The 'So' naturally accompanies inhalation -- notice how the sound of air entering the nostrils resembles 'sssso.' The 'Hum' naturally accompanies exhalation -- the outbreath carries a soft 'hummm.' There is no need to vocalize the sounds; simply listen to the breath and hear the mantra within it.
How to Chant
Sit in a comfortable meditation posture with the eyes closed. Allow the breath to flow naturally without attempting to control it. As you inhale, hear or mentally repeat 'So.' As you exhale, hear or mentally repeat 'Hum.' Do not force the mantra onto the breath; allow the breath to carry the mantra. Over time, the practice becomes effortless -- the mantra dissolves into pure awareness, and the breath breathes itself. This is ajapa japa -- the unrepeated repetition -- and it represents the culmination of mantra practice in the Vedantic tradition.
Benefits
Quickly calms the nervous system by synchronizing attention with the breath. Reduces mental chatter by giving the mind a simple, natural focal point. Develops witness consciousness -- the capacity to observe thoughts without identification. Over time, loosens the grip of ego-identification and opens awareness to the deeper dimensions of consciousness. Particularly effective for those who find deity-based mantras culturally unfamiliar, as So Hum requires no theological framework.
Historical & Scriptural Context
So Hum is taught in the Vijnanabhairava Tantra, a Kashmir Shaivism text containing 112 meditation techniques. It is central to the Vedantic meditation tradition and is taught by teachers across lineages including Ramana Maharshi (who favored self-inquiry practices), Nisargadatta Maharaj (whose teaching 'I Am That' is a direct expression of So Hum), and numerous modern meditation traditions. The Hamsa Upanishad is devoted entirely to this practice. It represents perhaps the most universal entry point into mantra meditation, requiring nothing beyond a willingness to attend to the breath.
Frequently Asked Questions
What does So Hum mean?
So Hum translates to "I Am That." It is a Vedic mantra associated with Universal. 'So' derives from 'sah' (That -- referring to Brahman, the absolute reality) and 'Hum' from 'aham' (I). Together: 'I am That.' The reversed form, 'Hamsa,' means 'swan' -- the mythical bird that can se
How do I chant So Hum correctly?
Soh Hum (rhymes with 'so' and 'whom'). The 'So' naturally accompanies inhalation -- notice how the sound of air entering the nostrils resembles 'sssso Sit in a comfortable meditation posture with the eyes closed. Allow the breath to flow naturally without attempting to control it. As you inhale, hear or mentally repeat 'So.' As you exhale, hear or m
How many times should I repeat So Hum?
The recommended repetitions for So Hum are No counting required. So Hum is synchronized with natural breathing rather than counted on a mala. A typical meditation session is 15-30 minutes. The 'goal' is not a specific number but the progressive dissolution of the mantra into silent awareness. Some practitioners use So Hum as a continuous practice throughout the day, maintaining awareness of the breath-mantra connection during all activities.. The best time to chant is early morning meditation and evening meditation. so hum is particularly suited to the transitional moments of the day -- waking, falling asleep -- when the boundary between conscious and unconscious mind is naturally thin. it can also be practiced at any moment during the day by simply bringing attention to the breath.. This mantra is connected to the Ajna (Third Eye) and Sahasrara (Crown). As a practice of self-inquiry and identity with the absolute, So Hum naturally draws awareness to the highest centers. The breath-synchronized nature of the practice also activates Anahata (through the expansion and contraction of the chest) and harmonizes all chakras through the rhythmic movement of prana. Chakra and Ketu and Sun (Surya). Ketu represents the dissolution of individual identity into the universal -- the 'That' of So Hum. The Sun represents the 'I' -- the luminous self-awareness that recognizes its own nature. Together, they embody the mantra's meaning: the individual self (Sun) recognizing its identity with the universal self (Ketu/moksha)..
What are the benefits of chanting So Hum?
Quickly calms the nervous system by synchronizing attention with the breath. Reduces mental chatter by giving the mind a simple, natural focal point. Develops witness consciousness -- the capacity to observe thoughts without identification. Over time, loosens the grip of ego-identification and opens
What is the purpose of So Hum?
So Hum is a Vedic mantra used for Self-Inquiry. It is dedicated to Universal. So Hum (also written Soham) is the natural mantra of the breath itself. 'So' is the sound of inhalation, 'Hum' the sound of exhalation. The Vedic tradition teaches that every living being is already c
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