Mahabharata 5.67.12

जानात्येष हृषीकेशं पुराणं यच्च वै नवम्शुश्रूषमाणमेकाग्रं मोक्ष्यते महतो भयात्

jānātyeṣa hṛṣīkeśaṃ purāṇaṃ yacca vai navamśuśrūṣamāṇamekāgraṃ mokṣyate mahato bhayāt

Our plain-language meaning of this verse is waiting for scholar review.