satyaṃ jñānaṃ anantaṃ brahma

brahma (Brahman) satyaṃ (is truth) jñānaṃ (is knowledge) anantaṃ (is infinite)

Advaita Vedānta (Ādi Śaṅkarācārya): This verse from the Chāndogyopaniṣad is pivotal in establishing the non-dual nature of reality. Shankara, in his commentary on this Upaniṣad, emphasizes that the attributes of satyaṃ (truth), jñānaṃ (knowledge), and anantaṃ (infinite) are not just qualities of Brahman but its very essence. He argues that since Brahman is knowledge itself, it cannot be an object of knowledge, thus underscoring its identity with the knowing self (ātman). The verse points to the brahman-ātman identity by implying that what is true, knowledgeable, and infinite cannot be separate from the self that experiences these qualities. Shankara's reasoning on closely related passages, such as 'tat tvam asi' (that thou art), further supports the idea that the individual self (jīva) is not distinct from the ultimate reality (Brahman), reinforcing a non-dual reading of this verse.

Vaiṣṇava tradition (Rāmānujācārya / Madhvācārya): The Vaiṣṇava tradition interprets this verse with a focus on the devotional relationship between the individual (jīva) and the Lord (Īśvara). Rāmānujācārya, in his commentary, emphasizes that Brahman, characterized by truth, knowledge, and infinity, is the supreme deity who is both the means and the end of spiritual pursuit. He views the qualities mentioned in the verse as attributes of Viṣṇu, the personal deity, suggesting a saguṇa Brahman (Brahman with qualities). According to Rāmānuja, the jīva, though eternally dependent on Īśvara, can realize its true nature through devotion (bhakti) and self-surrender (prapatti), thereby attaining a loving relationship with the infinite Lord. Madhvācārya, with a slightly different emphasis, stresses the distinction between the independent Lord (svatantra) and the dependent souls (jīvas), yet agrees on the significance of devotion in realizing one's true position vis-à-vis the divine.

Neo-Vedānta (Swami Vivekānanda / S. Rādhākrishnan): Swami Vivekānanda, a key figure in the Neo-Vedānta movement, interpreted this verse as a call to recognize the universal and eternal principles that underlie all existence. He saw the attributes of truth, knowledge, and infinity as inherent in every individual, waiting to be realized through self-inquiry and spiritual practice. In his lectures and writings, Vivekānanda often cited such Upaniṣadic verses to emphasize the potential for human liberation and self-realization. He believed that by acknowledging the infinite within, one can transcend the limitations of the finite self, leading to a life of freedom, compassion, and service to others. Similarly, S. Rādhākrishnan, in his philosophical expositions, highlighted the relevance of this verse to contemporary life, arguing that its message of the infinite and the eternal within can inspire individuals to strive for a higher purpose beyond ephemeral worldly concerns, fostering a sense of global citizenship and ethical responsibility.

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