satyaṃ jñānaṃ anantaṃ brahma

brahma (the Absolute) satyaṃ (is true) jñānaṃ (is knowledge) anantaṃ (is infinite)

Advaita Vedānta (Ādi Śaṅkarācārya): In his commentary on the Chāndogyopaniṣad, Śaṅkarācārya interprets this verse as a direct affirmation of the non-dual nature of reality. According to Śaṅkara, the declaration 'satyaṃ jñānaṃ anantaṃ brahma' underscores the essence of Brahman as truth (satya), knowledge (jñāna), and infinitude (ananta). This threefold description of Brahman indicates that it is the ultimate, unchanging reality that underlies all existence. Śaṅkara argues that the verse points to the identity of Brahman and Ātman, emphasizing that the true Self (Ātman) is not different from the absolute reality (Brahman). This interpretation is supported by Śaṅkara's commentary on the Taittirīya Upaniṣad, where he asserts that the realization of this identity is the key to liberation. By understanding Brahman as truth, knowledge, and infinite, the seeker transcends the limitations of the empirical world and realizes the non-dual essence of existence.

Vaiṣṇava tradition (Rāmānujācārya / Madhvācārya): Rāmānujācārya, in his Śrī Bhāṣya, offers a devotional reading of this verse, emphasizing the relationship between the individual self (jīva) and the Supreme Lord (Īśvara). According to Rāmānuja, the attributes of Brahman as truth, knowledge, and infinite underscore the Lord's gracious and benevolent nature. The verse is seen as an invitation to the devotee to approach the Lord, who is the embodiment of truth and knowledge. Rāmānuja cites this verse in the context of discussing the Lord's sovereign grace, arguing that the devotee's realization of the Lord's true nature is a gift of His grace. In contrast, Madhvācārya, in his commentary on the Upaniṣads, offers a more theistic interpretation, emphasizing the distinction between the Lord and the individual self, while still affirming the Lord's essential nature as truth, knowledge, and infinite.

Neo-Vedānta (Swami Vivekānanda / S. Rādhākrishnan): Swami Vivekānanda, in his lectures on the Upaniṣads, brings out the universal and practical application of this verse. According to Vivekānanda, the declaration 'satyaṃ jñānaṃ anantaṃ brahma' is a call to realize the infinite potential that lies within each individual. He sees this verse as an affirmation of the human capacity for self-transcendence, where the individual can rise above the limitations of the ego and realize their true nature as a spark of the divine. Vivekānanda connects this verse to his concept of 'potential divinity' in humanity, arguing that the realization of one's true nature as truth, knowledge, and infinite is the key to unlocking human potential. Similarly, S. Radhakrishnan, in his book 'The Philosophy of the Upaniṣads', interprets this verse as a statement of the fundamental unity of existence, emphasizing the importance of realizing this unity in contemporary life. Radhakrishnan argues that this verse points to the need for a holistic and integrative approach to human existence, where the individual, society, and nature are seen as interconnected aspects of a larger whole.

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