Charak Samhita
तत्त्वज्ञानप्रकाशार्थमहङ्कारमनाश्रितः। स्वल्पाधाराज्ञमुखरान्मर्षयेन्न विवादिनः ॥८०॥
Genuine physicians are pleasant, well behaved, humble, and speak less but are concise and terse. The frauds, who debate meaninglessly should not be forgiven/spared as they are detrimental to the society.
english translation
tattvajJAnaprakAzArthamahaGkAramanAzritaH। svalpAdhArAjJamukharAnmarSayenna vivAdinaH ॥80॥
hk transliteration by Sanscript