Mahabharata 12.252.20

चिराभिपन्नः कविभिः पूर्वं धर्म उदाहृतःतेनाचारेण पूर्वेण संस्था भवति शाश्वती

cirābhipannaḥ kavibhiḥ pūrvaṃ dharma udāhṛtaḥtenācāreṇa pūrveṇa saṃsthā bhavati śāśvatī

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