Mbh 12.350.4

"Vaisampayana said, 'Desirous of understanding the meaning of the Srutis, my preceptor, that ocean of penances, who is exceedingly devoted to the observance of all scriptural duties and the acquisition of knowledge, dwelt for some time in a particular region of the Himavat mountains. Endued with great intelligence, he became fatigued with his penances in consequence of the great strain on his energies occasioned by the composition of the Mahabharata. At that time, Sumanta and Jaimini and Paila of firm vows and myself numbering the fourth, and Suka his own son, attended on him. All of us, O king, in view of the fatigue our preceptor felt, waited dutifully upon him, engaged in doing all that was necessary for dispelling that fatigue of his. Surrounded by these disciples of his, Vyasa shone in beauty on the breast of the Himavat mountains like the Lord of all the ghostly beings, viz., Mahadeva, in the midst of those ghostly attendants of his. Having recapitulated the Vedas with all their branches as also the meanings of all the Verses in the Mahabharata, one day, with rapt attention, all of us approached our preceptor who, having controlled his senses, was at time rapt up in thought. Availing ourselves of an interval in the conversation, we asked that foremost of regenerate persons to expound to us the meanings of the Vedas and the Verses in the Mahabharata and narrate to us the incidents as well of his own birth from Narayana. Conversant as he was with all topics of enquiry, he at first discoursed to us on the interpretations of the Srutis and the Mahabharata, and then set himself to narrate to us the following incidents relating to his birth from Narayana.