The celestial Rishi Narada and the great Yogin Vyasa had again and again told all this to me in days of yore when the subject was suggested in course of conversation.
एतदाचष्ट मे राजन् देवर्षिर्नारदः पुरा। व्यासश्चैव महायोगी संजल्पेषु पदे पदे॥