Vimokṣa-niścaya: Pañcaśikha’s Analysis of Aggregates, Guṇas, and Tyāga (मोक्षनिर्णयः)
भीष्म उवाच दोषैर्मूलादवच्चिन्नैरविंशुद्धात्मा विमुच्यते । विनाशयति सम्भूतमयस्मयमयो यथा । तथा कृतात्मा सहजैदररषि्नश्यति तामसै:
bhīṣma uvāca doṣair mūlād avacchinnair aviśuddhātmā vimucyate | vināśayati sambhūtam ayasmayam ayo yathā | tathā kṛtātmā sahajair doṣair naśyati tāmasaiḥ ||
Wika ni Bhishma: O Hari, kapag ang mga kapintasan ay napuputol kasama ang kanilang ugat, ang kaloob-looban—na dating marumi—ay nagiging dalisay at napapalaya mula sa gapos ng daigdig. Gaya ng kasangkapang bakal na yari rin sa bakal na nakapupuwing sa tanikalang bakal at sa paggawa nito’y siya man ay nauubos at napupudpod, gayon din ang disiplinado at nilinis na talino ay winawasak ang likás na mga dungis na isinilang mula sa tamas; at matapos maganap ang pagwasak, ito man ay tumatahimik at nagpapahinga.
भीष्म उवाच
Freedom comes when defects are removed along with their root-cause (ignorance/delusion). A purified, disciplined intellect can eliminate innate tamasic tendencies; once its task is done, even that corrective instrument becomes still, indicating the settling of mental activity after purification.
In the Śānti Parva instruction to Yudhiṣṭhira, Bhīṣma explains a method of inner purification: destroy faults at their source. He illustrates it with a simile—iron cutting iron—showing how a tool used to remove bondage may itself be worn away, paralleling how the refined intellect quiets after removing tamasic defects.