It is key scripture of Hinduism that has influenced all schools of Hindu philosophy. The text is a treatise on Ātman (Soul, Self), with passages on metaphysics, ethics and a yearning for knowledge that influenced various Indian religions, ancient and medieval scholars.<ref>[https://archive.org/stream/Brihadaranyaka.Upanishad.Shankara.Bhashya.by.Swami.Madhavananda#page/n0/mode/2up Brihadaranyaka Upanishad with Adi Shankara's commentary] S. Madhavananada (Translator)</ref><ref>Brihadaranyaka Upanisad with the commentary of Madhvacharya, Translated by Rai Bahadur Sriśa Chandra Vasu (1933), {{oclc|222634127}}</ref> | It is key scripture of Hinduism that has influenced all schools of Hindu philosophy. The text is a treatise on Ātman (Soul, Self), with passages on metaphysics, ethics and a yearning for knowledge that influenced various Indian religions, ancient and medieval scholars.<ref>[https://archive.org/stream/Brihadaranyaka.Upanishad.Shankara.Bhashya.by.Swami.Madhavananda#page/n0/mode/2up Brihadaranyaka Upanishad with Adi Shankara's commentary] S. Madhavananada (Translator)</ref><ref>Brihadaranyaka Upanisad with the commentary of Madhvacharya, Translated by Rai Bahadur Sriśa Chandra Vasu (1933), {{oclc|222634127}}</ref> |