The Compendium of Caraka 3.8.20_3

3.8.20_3

tadvidhena ca saha kathayatā āviddhadīrghasūtrasaṃkulairvākyadaṇḍakaiḥ kathayitavyam, atihṛṣṭaṃ muhurmuhurupahasatā paraṃ nirūpayatā ca parṣadamākārairbruvataścāsya vākyāvakāśo na deyaḥ; kaṣṭaśabdaṃ ca *bruvatā vaktavyo nicyate, athavā punarhīnā te pratijñā, iti/

Speaking with such a person, one should speak with complex sentences crowded with disjointed, prolonged strings of aphorisms; being excessively cheerful, laughing frequently, looking down upon the opponent, and indicating him to the assembly with gestures, one should grant him no opportunity to speak. When he utters a difficult word, one should say, 'It is not understood,' or else, 'Your thesis is defective.'