The Rishis Nara and Narayana are renowned all over the three worlds; they have descended (on earth) for the accomplishment of certain purpose on earth, which is the region for the acquisition of virtue.
विख्यातौ त्रिषु लोकेषु नरनारायणावृषी। कार्यार्थमवतीर्णौ तौ पृथ्वीं पुण्यप्रतिश्रयाम्॥