Mahabharata 12.296.7

पञ्चविंशं महात्मानं न चासावपि बुध्यतेषड्विंशं विमलं बुद्धमप्रमेयं सनातनम्

pañcaviṃśaṃ mahātmānaṃ na cāsāvapi budhyateṣaḍviṃśaṃ vimalaṃ buddhamaprameyaṃ sanātanam

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