Ramanuja

Ramanuja inherited a devotional tradition of temple worship, poetry, and surrender to a personal God, centered on Vishnu, that Shankara's stern non-dualism had never fully made room for, and he spent his long career giving that tradition its philosophical architecture. His system, Vishishtadvaita, or qualified non-dualism, agrees with Shankara that reality is ultimately one, but insists the oneness is not undifferentiated blankness: Brahman is a single reality that includes individual souls and the material world as its real attributes or body, the way a self includes a body without being reducible to it, so that souls remain genuinely distinct enough to love, worship, and be saved by a God who is genuinely other than themselves. He argued this position most systematically in his commentary on the Brahma Sutras, written as a direct, extended answer to Shankara's own commentary on the same text two or three centuries earlier, treating the debate over how literally 'that art thou' should be read as the central fault line of Vedanta. His theology gave devotional worship, bhakti, an intellectual foundation it had not fully possessed before, arguing that loving surrender to God, not abstract meditation on an impersonal absolute, was both intellectually justified and spiritually superior, a case that helped drive the broader bhakti movement that reshaped Hindu religious life across the subcontinent for the following centuries. He served for decades as head of the great Vishnu temple at Srirangam, organizing its ritual and institutional life alongside his philosophical writing, and tradition credits him with journeys across India defending his system against rival schools, though the exact dates of his long life, which some traditional accounts stretch to a scarcely credible hundred and twenty years, remain genuinely disputed among modern scholars.