Thirteenth-century India saw a huge revival of religious devotion among the common folk, similar to the waves of religious fervor that swept over late medieval Europe. One of the pillars of this revival was the poet-saint Jnaneshwar, author of an exquisite commentary on the Bhagavad Gita. Like his contemporary Dante, Jnaneshwar was a poet of the vernacular, who wrote in Marathi, the language of ordinary villagers, rather than the Sanskrit of the brahmin...