Mahabharata 12.296.3

एतदेवं विकुर्वाणां बुध्यमानो न बुध्यतेअव्यक्तबोधनाच्चैव बुध्यमानं वदन्त्यपि

etadevaṃ vikurvāṇāṃ budhyamāno na budhyateavyaktabodhanāccaiva budhyamānaṃ vadantyapi

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