Mahabharata 12.295.20
तदा विशुद्धो भवति प्रकृतेः परिवर्जनात्अन्योऽहमन्येयमिति यदा बुध्यति बुद्धिमान्
tadā viśuddho bhavati prakṛteḥ parivarjanātanyo'hamanyeyamiti yadā budhyati buddhimān
Our plain-language meaning of this verse is waiting for scholar review.
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