They wrote that work after having adored with penances the powerful and illustrious Narayana called also Hari, for a thousand divine years, in company with many other Rishis.
आराध्य तपसा देवं हरिं नारायणं प्रभुम्। दिव्यं वर्षसहस्रं वै सर्वे ते ऋषिभिः सह॥