sentences:  Vyasa told Govinda of the advent of the incarnation of Shiva as Adi Shankara, to meet and give him sanyas diksha, Shankara's purpose in incarnating was to comment on the Brahma Sutras.Shankaracharya set up four religious seats in the north, south, east and west of India to act as a lighthouse to guide religious seekers towards the truth for the millennia to come and also set up the ten monastic orders.1) Tirtha, 2) Ashrama, 3) Vana, 4) Aranya, 5) Giri, 6) Parvata, 7) Sagara, 8) Saraswati, 9) Bharati, 10) Puri.