Vaishampayana said "Formerly, in the Krita age, O king, there was a great Rishi called Arshtishena. Living in his preceptor's house, he attended to his lessons every day.
वैशम्पायन उवाच पुरा कृतयुगे राजन्नार्टिषेणो द्विजोत्तमः। वसन् गुरुकले नित्यं नित्यमध्ययने रतः॥