Bhishma said 'Regarding it is cited the old narrative of the discourse between a preceptor and disciple on the subject of liberation.
भीष्म उवाच अत्राप्युदाहरन्तीममितिहासं पुरातनम्। संवादं मोक्षसंयुक्तं शिष्यस्य गुरुणा सह॥