Mbh 12.325.1a

"'Bhishma said, "The son of Satyavati having obtained this high boon from the great God, was one day employed in rubbing his sticks for making a fire. While thus engaged, the illustrious Rishi, O king, beheld the Apsara Ghritachi, who, in consequence of her energy, was then possessed of great beauty. Beholding the Apsara in those woods, the illustrious Rishi Vyasa, O Yudhishthira, became suddenly smitten with desire. The Apsara (Ghritachi), seeing the Rishi's heart troubled by desire, transformed herself into a she-parrot and came to that spot. Although he beheld the Apsara disguised in another form, the desire that had arisen in the Rishi's heart (without disappearing) spread itself over every part of his body. Summoning all his patience, the ascetic endeavoured to suppress that desire; with all his effort, however, Vyasa did not succeed in controlling his agitated mind. In consequence of the inevitability of what was to happen, the Rishi's heart was attracted by Ghritachi's fair form. He set himself more earnestly to the task of making a fire for suppressing his emotion, but in spite of all his efforts his vital seed came out. That best of regenerate ones, however, O king, continued to rub his stick without feeling any scruples for what had happened. From the seed that fell, was born a son unto him, called Suka. In consequence of his circumstance attending his birth, he came to be called by name of Suka. Indeed, it was thus that great ascetic that foremost of Rishis and highest of Yogins, took birth from the two sticks (his father had for making fire). As in a sacrifice a blazing fire shed its effulgence all around when libations of clarified butter are poured upon it, after the same manner did Suka take his birth, blazing with effulgence in consequence of his own energy. Assuming the excellent form and complexion that were his sire, Suka, O son of Kuru, of cleansed Soul, shone like a smokeless fire. The foremost of rivers, viz.