Here the relationship between God and the individual soul is much like that between the soul and body. The body remains active in the presence of the soul; without the soul, the body becomes lifeless. Similarly, individual consciousness survives through the shelter of supreme consciousness; without God's presence, no consciousness can endure. This is why God is called "nityaḥ nityānāṃ"—the foundation of all eternal beings, and "cetanaś cetanānām"—the center of all consciousness.
Philosophically, this mantra holds both difference and non-difference together as twin truths. The individual soul and God are separate, for God is self-existent while the soul is dependent; yet they are not entirely distinct, for the soul shines only in God's light. This is the essence of Viśiṣṭādvaita Vedānta—God is the complete consciousness, the soul is His limb, His body.
From a psychological perspective too, this conception carries profound meaning. The consciousness of "I am" that operates within every human being is not a separate source; it is the reflection of that one universal consciousness awakened within all beings. When a person enters the depths of their own consciousness, they realize that their personal mind is actually a small manifestation of that cosmic consciousness.
The verse "nityaḥ nityānāṃ cetanaś cetanānām" teaches us that the relationship between God and the soul is not merely that of creator and creation, but of inner dependence—God is that one eternal and all-conscious being who dwells within all souls, becoming the foundation of their existence and knowledge. The soul exists through God, knows by God's light, and lives within God. From this realization is born that consciousness of devotion, where one realizes—I am not separate, I am part of Him; He is the source of consciousness, I am the reflection of that consciousness.
2. Abheda Śruti—The Unity of Soul and God: In contrast, the "abheda śruti" declares—there is no real difference between the individual soul and God; both are merely different expressions of one unchanging consciousness.
One of the most profound statements in the Upaniṣads is—"ahaṃ brahmāsmi" (Bṛhadāraṇyaka Upaniṣad 1.4.10)—meaning "I am Brahman." In this single sentence lies the entire foundation of Advaita Vedānta, where there is no division or boundary between the individual soul (jīvātmā) and the all-pervading supreme consciousness (brahman). This is not merely a philosophical statement, but the language of experience—when consciousness recognizes its own source, it declares, "I am That"—ahaṃ brahmāsmi.
"Aham" means 'I', the awareness that is felt within every being as "I am." "Brahman" means infinite, all-pervading, limitless consciousness—He who is the root of creation, who is changeless, yet present within all change. "Asmi" means "I am" or "I am That"—meaning, here it is declared that my existence and Brahman's existence are not separate. This knowledge is not merely conceptual; it is ātmānubhava—when the individual transcends the boundaries of their limited body, mind and thoughts and realizes that the consciousness at the core of their being is the very consciousness pervading everywhere.
This mantra appears in the Upaniṣadic dialogue between Yājñavalkya and Maitreyī. Yājñavalkya says the Self must be seen, heard, contemplated, and meditated upon; for knowing the Self, all becomes known. The culmination of this teaching is "ahaṃ brahmāsmi"—the Self that I know is Brahman itself. That is, God is not some distant being; He dwells within my very self.
This statement from the Bṛhadāraṇyaka Upaniṣad (2.4.5)—"ātmā vā are draṣṭavyaḥ, śrotavyaḥ, mantavyaḥ, nididhyāsitavyaḥ. maitreyi, ātmano vā are darśanedaṃ sarvaṃ viditam"—is one of the fundamental teachings of the Upaniṣads, where the sage Yājñavalkya explains to his wife Maitreyī the true path of Self-knowledge or brahmavidyā. Here four stages of Self-realization are indicated—śravaṇa, manana, nididhyāsana and darśana. These four stages are not only the foundation of Vedānta, but also the progressive journey of Self-realization in all Indian philosophy.
The context of Yājñavalkya's instruction is deeply significant. When he decides to renounce worldly life, his wife Maitreyī asks him—"O husband, if all wealth becomes mine, will I attain immortality?" Yājñavalkya replies—"No, immortality cannot be gained through wealth; immortality is possible only through Self-knowledge." From this dialogue emerges that path of brahmavidyā—where it is known that the Self must be known, for knowing the Self, all becomes known—"ātmano vā are darśanedaṃ sarvaṃ viditam."
The first stage—"śrotavyaḥ" (should be heard). The sage Yājñavalkya tells Maitreyī—"ātmā vā are draṣṭavyaḥ, śrotavyaḥ, mantavyaḥ, nididhyāsitavyaḥ." Here "śrotavyaḥ" means "should be heard"—but this "hearing" is not merely receiving sound through the sense organs. This is the beginning of Self-knowledge inquiry—where hearing means absorbing the meaning of scriptures, teacher and mahāvākyas with deep attention, inquisitive mind and open intellect.
According to Vedānta philosophy, śravaṇa (hearing) is that first practice through which the first ray of light enters the darkness of ignorance. Śaṅkarācārya explains in his Bṛhadāraṇyaka commentary that hearing means "knowing Brahman-truth through scriptural statements"—meaning scripture alone is the valid means of knowledge that reveals the Self's true nature (śāstra-pramāṇakaṃ brahma-jñānam).
When the disciple hears from the teacher or through the Upaniṣads—"ahaṃ brahmāsmi" (I am Brahman, Bṛhadāraṇyaka 1.4.10) or "tat tvam asi" (Thou art That, Chāndogya 6.8.7)—these statements give a shock to their consciousness, questioning their limited sense of 'I'. They begin to understand—what they had been considering their body, mind or personality is actually just a limited reflection of consciousness itself.
Thus hearing is that moment when human consciousness first feels a new possibility deep within—that "I" am not just body or mind, I am that Self which the Upaniṣads have declared "ayam ātmā brahma" (This Self is Brahman, Māṇḍūkya Upaniṣad 2).
Hearing is not a ritual, but the beginning of inner education. It is the first step in gaining Self-knowledge, where one begins to hear within external sounds that silent inner call—"What you seek, you are."
The second stage "mantavyaḥ"—meaning contemplation. What has been heard must be deeply reflected upon, questioned, analyzed with reason and doubts cleared. In Vedānta, knowledge is not blind faith; it is a combination of reason and inner experience. Therefore Yājñavalkya says, hearing is not enough; it must be transformed into contemplation. At this stage the seeker experiences an inner conflict—"Am I the body? Am I the mind? Or am I that witness-consciousness?" This very questioning gradually penetrates the layers of ignorance.
The third stage "nididhyāsitavyaḥ"—meaning meditation. When contemplation matures into firm conviction, it must be deeply embedded through meditation. Nididhyāsana means transforming thought into actual realization. Just as a seed placed in soil and watered becomes a tree, similarly when the seed of contemplation is planted in the depths of consciousness through meditation, Self-knowledge blossoms. This meditation is not of any object or form, but repeatedly turning the mind toward that formless Self—where thought ceases, leaving only the feeling of silent consciousness.
The final stage is "draṣṭavyaḥ"—seeing or direct realization. This is no longer intellectual knowledge; this is Self-encounter. When the mind becomes completely still, doubtless and clear, consciousness sees its own light within itself. In this state, the knower, knowing and known—these three distinctions dissolve. In this state one declares—"ahaṃ brahmāsmi"—I am that consciousness which witnesses all.
The essence of this verse is—the only way to know the world is to know the Self, for the Self is the center of all knowledge. Just as once the sun rises, all objects on earth become visible, similarly once Self-knowledge dawns, the source of all knowledge is revealed. "ātmano vā are darśanedaṃ sarvaṃ viditam"—in this very statement the Upaniṣad has expressed its ultimate realization.
This mantra is not just a philosophical instruction, it is a complete method of Self-inquiry. Hearing opens the mind, contemplation sharpens it, nididhyāsana establishes it deeply, and seeing is the culmination of that experience—where one no longer considers the world separate, for one knows—whatever exists is all the manifestation of one's own Self. In this realization lies the culmination of all Vedānta, and this understanding is the true beginning of Self-knowledge or liberation.
Śrī Śaṅkarācārya, explaining the abheda śruti, calls this "abheda śruti"—which declares the complete identity of jīva and brahman. That we consider ourselves limited, imperfect, dependent on body-mind, is merely the result of avidyā or ignorance. When this ignorance is removed, that truth is revealed—I was never limited; I am that infinite consciousness, which though manifested in the body is not confined to the body. Liberation occurs at the very moment of gaining this knowledge—for then no separation, fear or desire remains.
This abheda doctrine—that jīva and brahman are one and identical—is not limited to the Bṛhadāraṇyaka Upaniṣad; it is the undercurrent of all Upaniṣadic philosophy. In various Upaniṣads this truth has been uttered in different languages, but with the same consciousness.
In the Chāndogya Upaniṣad (6.8.7) the sage Uddālaka tells his son Śvetaketu—"tat tvam asi śvetaketo." Meaning, "Thou art That (Brahman)." Here "tat" means the supreme reality or Brahman, and "tvam" means the individual soul or ātman. "Asi" means 'you are'—meaning there is no real difference between jīva and brahman. This statement signifies—the consciousness experienced within you is the very consciousness that is the foundation of all creation. This statement indicates the supreme state of knowledge, where "I" and "He" merge into one identical consciousness.
In the Aitareya Upaniṣad (3.3) it is said—"prajñānaṃ brahma." Meaning, "Consciousness is Brahman." Here the word 'prajñā' comes from the root 'jñā', meaning 'to know' or 'awareness'. That is, the consciousness that knows, sees and experiences—that very consciousness is the ultimate truth—Brahman. Through this statement it is conveyed that Brahman is not a creator-God, but that consciousness in whose presence all knowing, experiencing and existence is possible.
On the other hand, the Māṇḍūkya Upaniṣad (7) declares—"advayaṃ brahma." Meaning, "Brahman is without a second." Here it is said that Brahman has no second entity; He is the only truth, everything else is His manifestation or reflection. What we call "world" is also a radiation of Brahman-consciousness, just as sunlight reflected in different colors still remains one sun.
These four statements—"ahaṃ brahmāsmi" (Bṛhadāraṇyaka 1.4.10), "tat tvam asi" (Chāndogya 6.8.7), "prajñānaṃ brahma" (Aitareya 3.3) and "advayaṃ brahma" (Māṇḍūkya 7)—are collectively known as the four mahāvākyas. Together they declare that Brahman is not some external entity; He is that inner, self-luminous consciousness which is experienced within every being.
Thus the Upaniṣads together echo that ultimate truth is not outside—that silent presence dwells in our hearts, in our inner awakening itself. When this experience awakens, it is understood—Brahman is not in some "other," but is manifested in the very "I."
Damodar: In Scripture and Philosophy / 30
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