Mahabharata 12.308.92

वक्तव्ये तु यदा वक्ता श्रोतारमवमन्यतेस्वार्थमाह परार्थं वा तदा वाक्यं न रोहति

vaktavye tu yadā vaktā śrotāramavamanyatesvārthamāha parārthaṃ vā tadā vākyaṃ na rohati

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