ViPur, 4, 21, 4.1 yo 'sau yājñavalkyād vedam adhītya kṛpād astrāṇyavāpya viṣamaviṣayaviraktacittavṛttiś ca śaunakopadeśād ātmajñānapravīṇaḥ paraṃ nirvāṇam avāpsyati //