sentences:  There are also a number of legends associating the collection with the philosopher Adi Shankara.One version occurs in his 14th century biography written by a follower, the "Shankara-digvijaya".According to this version, during his debate with Maṇḍana Miśra, he was asked philosophical questions phrased in metaphors of love by the latter's wife, Ubhaya Bharati.