The Great Aranyaka, a translation and commentary on the first chapter, first Brahmana of the Brihadaranyaka Upanishad, appeared in the Sri Aurobindo Mandir Annual in 1953.
The song contains an adaption of the Asato ma mantra found in the Hindu sacred text the Brihadaranyaka Upanishad, section I.iii.28, used in the soundtrack of the movie trilogy The Matrix.